87242220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1672

約数の個数: 144

約数和(自身を含む): 297565632

約数和(自身を除く): 210323412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 390, 414, 460, 468, 585, 598, 690, 780, 828, 897, 1035, 1170, 1196, 1380, 1495, 1621, 1794, 2070, 2340, 2691, 2990, 3242, 3588, 4140, 4485, 4863, 5382, 5980, 6484, 8105, 8970, 9726, 10764, 13455, 14589, 16210, 17940, 19452, 21073, 24315, 26910, 29178, 32420, 37283, 42146, 48630, 53820, 58356, 63219, 72945, 74566, 84292, 97260, 105365, 111849, 126438, 145890, 149132, 186415, 189657, 210730, 223698, 252876, 291780, 316095, 335547, 372830, 379314, 421460, 447396, 484679, 559245, 632190, 671094, 745660, 758628, 948285, 969358, 1118490, 1264380, 1342188, 1454037, 1677735, 1896570, 1938716, 2236980, 2423395, 2908074, 3355470, 3793140, 4362111, 4846790, 5816148, 6710940, 7270185, 8724222, 9693580, 14540370, 17448444, 21810555, 29080740, 43621110, 87242220]

約数ペア:

[(1, 87242220), (2, 43621110), (3, 29080740), (4, 21810555), (5, 17448444), (6, 14540370), (9, 9693580), (10, 8724222), (12, 7270185), (13, 6710940), (15, 5816148), (18, 4846790), (20, 4362111), (23, 3793140), (26, 3355470), (30, 2908074), (36, 2423395), (39, 2236980), (45, 1938716), (46, 1896570), (52, 1677735), (60, 1454037), (65, 1342188), (69, 1264380), (78, 1118490), (90, 969358), (92, 948285), (115, 758628), (117, 745660), (130, 671094), (138, 632190), (156, 559245), (180, 484679), (195, 447396), (207, 421460), (230, 379314), (234, 372830), (260, 335547), (276, 316095), (299, 291780), (345, 252876), (390, 223698), (414, 210730), (460, 189657), (468, 186415), (585, 149132), (598, 145890), (690, 126438), (780, 111849), (828, 105365), (897, 97260), (1035, 84292), (1170, 74566), (1196, 72945), (1380, 63219), (1495, 58356), (1621, 53820), (1794, 48630), (2070, 42146), (2340, 37283), (2691, 32420), (2990, 29178), (3242, 26910), (3588, 24315), (4140, 21073), (4485, 19452), (4863, 17940), (5382, 16210), (5980, 14589), (6484, 13455), (8105, 10764), (8970, 9726)]