20931413880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:723

約数の個数: 384

約数和(自身を含む): 72786859200

約数和(自身を除く): 51855445320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 109, 120, 130, 136, 156, 169, 170, 195, 204, 218, 221, 255, 260, 312, 327, 338, 340, 390, 408, 436, 442, 507, 510, 520, 545, 557, 654, 663, 676, 680, 780, 845, 872, 884, 1014, 1020, 1090, 1105, 1114, 1308, 1326, 1352, 1417, 1560, 1635, 1671, 1690, 1768, 1853, 2028, 2040, 2180, 2210, 2228, 2535, 2616, 2652, 2785, 2834, 2873, 3270, 3315, 3342, 3380, 3706, 4056, 4251, 4360, 4420, 4456, 5070, 5304, 5559, 5570, 5668, 5746, 6540, 6630, 6684, 6760, 7085, 7241, 7412, 8355, 8502, 8619, 8840, 9265, 9469, 10140, 11118, 11140, 11336, 11492, 13080, 13260, 13368, 14170, 14365, 14482, 14824, 16710, 17004, 17238, 18421, 18530, 18938, 20280, 21255, 21723, 22236, 22280, 22984, 24089, 26520, 27795, 28340, 28407, 28730, 28964, 33420, 34008, 34476, 36205, 36842, 37060, 37876, 42510, 43095, 43446, 44472, 47345, 48178, 55263, 55590, 56680, 56814, 57460, 57928, 60713, 66840, 68952, 72267, 72410, 73684, 74120, 75752, 85020, 86190, 86892, 92105, 94133, 94690, 96356, 108615, 110526, 111180, 113628, 114920, 120445, 121426, 123097, 142035, 144534, 144820, 147368, 170040, 172380, 173784, 182139, 184210, 188266, 189380, 192712, 217230, 221052, 222360, 227256, 240890, 242852, 246194, 276315, 282399, 284070, 289068, 289640, 303565, 313157, 344760, 361335, 364278, 368420, 369291, 376532, 378760, 434460, 442104, 470665, 481780, 485704, 492388, 552630, 564798, 568140, 578136, 607130, 615485, 626314, 722670, 728556, 736840, 738582, 753064, 789269, 868920, 910695, 939471, 941330, 963560, 984776, 1032121, 1105260, 1129596, 1136280, 1214260, 1230970, 1252628, 1411995, 1445340, 1457112, 1477164, 1565785, 1578538, 1600261, 1821390, 1846455, 1878942, 1882660, 2064242, 2210520, 2259192, 2367807, 2428520, 2461940, 2505256, 2823990, 2890680, 2954328, 3096363, 3131570, 3157076, 3200522, 3642780, 3692910, 3757884, 3765320, 3946345, 4128484, 4697355, 4735614, 4800783, 4923880, 5160605, 5647980, 6192726, 6263140, 6314152, 6401044, 7285560, 7385820, 7515768, 7892690, 8001305, 8256968, 9394710, 9471228, 9601566, 10260497, 10321210, 11295960, 11839035, 12385452, 12526280, 12802088, 13417573, 14771640, 15481815, 15785380, 16002610, 18789420, 18942456, 19203132, 20520994, 20642420, 23678070, 24003915, 24770904, 26835146, 30781491, 30963630, 31570760, 32005220, 37578840, 38406264, 40252719, 41041988, 41284840, 47356140, 48007830, 51302485, 53670292, 61562982, 61927260, 64010440, 67087865, 80505438, 82083976, 94712280, 96015660, 102604970, 107340584, 123125964, 123854520, 134175730, 153907455, 161010876, 174428449, 192031320, 201263595, 205209940, 246251928, 268351460, 307814910, 322021752, 348856898, 402527190, 410419880, 523285347, 536702920, 615629820, 697713796, 805054380, 872142245, 1046570694, 1231259640, 1395427592, 1610108760, 1744284490, 2093141388, 2616426735, 3488568980, 4186282776, 5232853470, 6977137960, 10465706940, 20931413880]

約数ペア:

[(1, 20931413880), (2, 10465706940), (3, 6977137960), (4, 5232853470), (5, 4186282776), (6, 3488568980), (8, 2616426735), (10, 2093141388), (12, 1744284490), (13, 1610108760), (15, 1395427592), (17, 1231259640), (20, 1046570694), (24, 872142245), (26, 805054380), (30, 697713796), (34, 615629820), (39, 536702920), (40, 523285347), (51, 410419880), (52, 402527190), (60, 348856898), (65, 322021752), (68, 307814910), (78, 268351460), (85, 246251928), (102, 205209940), (104, 201263595), (109, 192031320), (120, 174428449), (130, 161010876), (136, 153907455), (156, 134175730), (169, 123854520), (170, 123125964), (195, 107340584), (204, 102604970), (218, 96015660), (221, 94712280), (255, 82083976), (260, 80505438), (312, 67087865), (327, 64010440), (338, 61927260), (340, 61562982), (390, 53670292), (408, 51302485), (436, 48007830), (442, 47356140), (507, 41284840), (510, 41041988), (520, 40252719), (545, 38406264), (557, 37578840), (654, 32005220), (663, 31570760), (676, 30963630), (680, 30781491), (780, 26835146), (845, 24770904), (872, 24003915), (884, 23678070), (1014, 20642420), (1020, 20520994), (1090, 19203132), (1105, 18942456), (1114, 18789420), (1308, 16002610), (1326, 15785380), (1352, 15481815), (1417, 14771640), (1560, 13417573), (1635, 12802088), (1671, 12526280), (1690, 12385452), (1768, 11839035), (1853, 11295960), (2028, 10321210), (2040, 10260497), (2180, 9601566), (2210, 9471228), (2228, 9394710), (2535, 8256968), (2616, 8001305), (2652, 7892690), (2785, 7515768), (2834, 7385820), (2873, 7285560), (3270, 6401044), (3315, 6314152), (3342, 6263140), (3380, 6192726), (3706, 5647980), (4056, 5160605), (4251, 4923880), (4360, 4800783), (4420, 4735614), (4456, 4697355), (5070, 4128484), (5304, 3946345), (5559, 3765320), (5570, 3757884), (5668, 3692910), (5746, 3642780), (6540, 3200522), (6630, 3157076), (6684, 3131570), (6760, 3096363), (7085, 2954328), (7241, 2890680), (7412, 2823990), (8355, 2505256), (8502, 2461940), (8619, 2428520), (8840, 2367807), (9265, 2259192), (9469, 2210520), (10140, 2064242), (11118, 1882660), (11140, 1878942), (11336, 1846455), (11492, 1821390), (13080, 1600261), (13260, 1578538), (13368, 1565785), (14170, 1477164), (14365, 1457112), (14482, 1445340), (14824, 1411995), (16710, 1252628), (17004, 1230970), (17238, 1214260), (18421, 1136280), (18530, 1129596), (18938, 1105260), (20280, 1032121), (21255, 984776), (21723, 963560), (22236, 941330), (22280, 939471), (22984, 910695), (24089, 868920), (26520, 789269), (27795, 753064), (28340, 738582), (28407, 736840), (28730, 728556), (28964, 722670), (33420, 626314), (34008, 615485), (34476, 607130), (36205, 578136), (36842, 568140), (37060, 564798), (37876, 552630), (42510, 492388), (43095, 485704), (43446, 481780), (44472, 470665), (47345, 442104), (48178, 434460), (55263, 378760), (55590, 376532), (56680, 369291), (56814, 368420), (57460, 364278), (57928, 361335), (60713, 344760), (66840, 313157), (68952, 303565), (72267, 289640), (72410, 289068), (73684, 284070), (74120, 282399), (75752, 276315), (85020, 246194), (86190, 242852), (86892, 240890), (92105, 227256), (94133, 222360), (94690, 221052), (96356, 217230), (108615, 192712), (110526, 189380), (111180, 188266), (113628, 184210), (114920, 182139), (120445, 173784), (121426, 172380), (123097, 170040), (142035, 147368), (144534, 144820)]