21509681880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9539}}^1$

素因数の和:9638

約数の個数: 256

約数和(自身を含む): 72534528000

約数和(自身を除く): 51024846120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 43, 46, 57, 60, 69, 76, 86, 92, 95, 114, 115, 120, 129, 138, 152, 172, 184, 190, 215, 228, 230, 258, 276, 285, 344, 345, 380, 430, 437, 456, 460, 516, 552, 570, 645, 690, 760, 817, 860, 874, 920, 989, 1032, 1140, 1290, 1311, 1380, 1634, 1720, 1748, 1978, 2185, 2280, 2451, 2580, 2622, 2760, 2967, 3268, 3496, 3956, 4085, 4370, 4902, 4945, 5160, 5244, 5934, 6536, 6555, 7912, 8170, 8740, 9539, 9804, 9890, 10488, 11868, 12255, 13110, 14835, 16340, 17480, 18791, 19078, 19608, 19780, 23736, 24510, 26220, 28617, 29670, 32680, 37582, 38156, 39560, 47695, 49020, 52440, 56373, 57234, 59340, 75164, 76312, 93955, 95390, 98040, 112746, 114468, 118680, 143085, 150328, 181241, 187910, 190780, 219397, 225492, 228936, 281865, 286170, 362482, 375820, 381560, 410177, 438794, 450984, 543723, 563730, 572340, 658191, 724964, 751640, 820354, 877588, 906205, 1087446, 1096985, 1127460, 1144680, 1230531, 1316382, 1449928, 1640708, 1755176, 1812410, 2050885, 2174892, 2193970, 2254920, 2461062, 2632764, 2718615, 3281416, 3290955, 3624820, 4101770, 4168543, 4349784, 4387940, 4922124, 5265528, 5437230, 6152655, 6581910, 7249640, 7793363, 8203540, 8337086, 8775880, 9434071, 9844248, 10874460, 12305310, 12505629, 13163820, 15586726, 16407080, 16674172, 18868142, 20842715, 21748920, 23380089, 24610620, 25011258, 26327640, 28302213, 31173452, 33348344, 37736284, 38966815, 41685430, 46760178, 47170355, 49221240, 50022516, 56604426, 62346904, 62528145, 75472568, 77933630, 83370860, 93520356, 94340710, 100045032, 113208852, 116900445, 125056290, 141511065, 155867260, 166741720, 179247349, 187040712, 188681420, 226417704, 233800890, 250112580, 283022130, 311734520, 358494698, 377362840, 467601780, 500225160, 537742047, 566044260, 716989396, 896236745, 935203560, 1075484094, 1132088520, 1433978792, 1792473490, 2150968188, 2688710235, 3584946980, 4301936376, 5377420470, 7169893960, 10754840940, 21509681880]

約数ペア:

[(1, 21509681880), (2, 10754840940), (3, 7169893960), (4, 5377420470), (5, 4301936376), (6, 3584946980), (8, 2688710235), (10, 2150968188), (12, 1792473490), (15, 1433978792), (19, 1132088520), (20, 1075484094), (23, 935203560), (24, 896236745), (30, 716989396), (38, 566044260), (40, 537742047), (43, 500225160), (46, 467601780), (57, 377362840), (60, 358494698), (69, 311734520), (76, 283022130), (86, 250112580), (92, 233800890), (95, 226417704), (114, 188681420), (115, 187040712), (120, 179247349), (129, 166741720), (138, 155867260), (152, 141511065), (172, 125056290), (184, 116900445), (190, 113208852), (215, 100045032), (228, 94340710), (230, 93520356), (258, 83370860), (276, 77933630), (285, 75472568), (344, 62528145), (345, 62346904), (380, 56604426), (430, 50022516), (437, 49221240), (456, 47170355), (460, 46760178), (516, 41685430), (552, 38966815), (570, 37736284), (645, 33348344), (690, 31173452), (760, 28302213), (817, 26327640), (860, 25011258), (874, 24610620), (920, 23380089), (989, 21748920), (1032, 20842715), (1140, 18868142), (1290, 16674172), (1311, 16407080), (1380, 15586726), (1634, 13163820), (1720, 12505629), (1748, 12305310), (1978, 10874460), (2185, 9844248), (2280, 9434071), (2451, 8775880), (2580, 8337086), (2622, 8203540), (2760, 7793363), (2967, 7249640), (3268, 6581910), (3496, 6152655), (3956, 5437230), (4085, 5265528), (4370, 4922124), (4902, 4387940), (4945, 4349784), (5160, 4168543), (5244, 4101770), (5934, 3624820), (6536, 3290955), (6555, 3281416), (7912, 2718615), (8170, 2632764), (8740, 2461062), (9539, 2254920), (9804, 2193970), (9890, 2174892), (10488, 2050885), (11868, 1812410), (12255, 1755176), (13110, 1640708), (14835, 1449928), (16340, 1316382), (17480, 1230531), (18791, 1144680), (19078, 1127460), (19608, 1096985), (19780, 1087446), (23736, 906205), (24510, 877588), (26220, 820354), (28617, 751640), (29670, 724964), (32680, 658191), (37582, 572340), (38156, 563730), (39560, 543723), (47695, 450984), (49020, 438794), (52440, 410177), (56373, 381560), (57234, 375820), (59340, 362482), (75164, 286170), (76312, 281865), (93955, 228936), (95390, 225492), (98040, 219397), (112746, 190780), (114468, 187910), (118680, 181241), (143085, 150328)]