19878296480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{4793}}^1$

素因数の和:4868

約数の個数: 216

約数和(自身を含む): 57120212772

約数和(自身を除く): 37241916292

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 460, 490, 529, 560, 644, 736, 784, 805, 920, 980, 1058, 1120, 1127, 1288, 1568, 1610, 1840, 1960, 2116, 2254, 2576, 2645, 3220, 3680, 3703, 3920, 4232, 4508, 4793, 5152, 5290, 5635, 6440, 7406, 7840, 8464, 9016, 9586, 10580, 11270, 12880, 14812, 16928, 18032, 18515, 19172, 21160, 22540, 23965, 25760, 25921, 29624, 33551, 36064, 37030, 38344, 42320, 45080, 47930, 51842, 59248, 67102, 74060, 76688, 84640, 90160, 95860, 103684, 110239, 118496, 129605, 134204, 148120, 153376, 167755, 180320, 191720, 207368, 220478, 234857, 259210, 268408, 296240, 335510, 383440, 414736, 440956, 469714, 518420, 536816, 551195, 592480, 671020, 766880, 771673, 829472, 881912, 939428, 1036840, 1073632, 1102390, 1174285, 1342040, 1543346, 1763824, 1878856, 2073680, 2204780, 2348570, 2535497, 2684080, 3086692, 3527648, 3757712, 3858365, 4147360, 4409560, 4697140, 5070994, 5368160, 5401711, 6173384, 7515424, 7716730, 8819120, 9394280, 10141988, 10803422, 12346768, 12677485, 15433460, 17638240, 17748479, 18788560, 20283976, 21606844, 24693536, 25354970, 27008555, 30866920, 35496958, 37577120, 40567952, 43213688, 50709940, 54017110, 61733840, 70993916, 81135904, 86427376, 88742395, 101419880, 108034220, 123467680, 124239353, 141987832, 172854752, 177484790, 202839760, 216068440, 248478706, 283975664, 354969580, 405679520, 432136880, 496957412, 567951328, 621196765, 709939160, 864273760, 993914824, 1242393530, 1419878320, 1987829648, 2484787060, 2839756640, 3975659296, 4969574120, 9939148240, 19878296480]

約数ペア:

[(1, 19878296480), (2, 9939148240), (4, 4969574120), (5, 3975659296), (7, 2839756640), (8, 2484787060), (10, 1987829648), (14, 1419878320), (16, 1242393530), (20, 993914824), (23, 864273760), (28, 709939160), (32, 621196765), (35, 567951328), (40, 496957412), (46, 432136880), (49, 405679520), (56, 354969580), (70, 283975664), (80, 248478706), (92, 216068440), (98, 202839760), (112, 177484790), (115, 172854752), (140, 141987832), (160, 124239353), (161, 123467680), (184, 108034220), (196, 101419880), (224, 88742395), (230, 86427376), (245, 81135904), (280, 70993916), (322, 61733840), (368, 54017110), (392, 50709940), (460, 43213688), (490, 40567952), (529, 37577120), (560, 35496958), (644, 30866920), (736, 27008555), (784, 25354970), (805, 24693536), (920, 21606844), (980, 20283976), (1058, 18788560), (1120, 17748479), (1127, 17638240), (1288, 15433460), (1568, 12677485), (1610, 12346768), (1840, 10803422), (1960, 10141988), (2116, 9394280), (2254, 8819120), (2576, 7716730), (2645, 7515424), (3220, 6173384), (3680, 5401711), (3703, 5368160), (3920, 5070994), (4232, 4697140), (4508, 4409560), (4793, 4147360), (5152, 3858365), (5290, 3757712), (5635, 3527648), (6440, 3086692), (7406, 2684080), (7840, 2535497), (8464, 2348570), (9016, 2204780), (9586, 2073680), (10580, 1878856), (11270, 1763824), (12880, 1543346), (14812, 1342040), (16928, 1174285), (18032, 1102390), (18515, 1073632), (19172, 1036840), (21160, 939428), (22540, 881912), (23965, 829472), (25760, 771673), (25921, 766880), (29624, 671020), (33551, 592480), (36064, 551195), (37030, 536816), (38344, 518420), (42320, 469714), (45080, 440956), (47930, 414736), (51842, 383440), (59248, 335510), (67102, 296240), (74060, 268408), (76688, 259210), (84640, 234857), (90160, 220478), (95860, 207368), (103684, 191720), (110239, 180320), (118496, 167755), (129605, 153376), (134204, 148120)]