64637820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1201}}^1$

素因数の和:1252

約数の個数: 144

約数和(自身を含む): 220514112

約数和(自身を除く): 155876292

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, 1201, 1380, 1495, 1794, 2070, 2340, 2402, 2691, 2990, 3588, 3603, 4140, 4485, 4804, 5382, 5980, 6005, 7206, 8970, 10764, 10809, 12010, 13455, 14412, 15613, 17940, 18015, 21618, 24020, 26910, 27623, 31226, 36030, 43236, 46839, 53820, 54045, 55246, 62452, 72060, 78065, 82869, 93678, 108090, 110492, 138115, 140517, 156130, 165738, 187356, 216180, 234195, 248607, 276230, 281034, 312260, 331476, 359099, 414345, 468390, 497214, 552460, 562068, 702585, 718198, 828690, 936780, 994428, 1077297, 1243035, 1405170, 1436396, 1657380, 1795495, 2154594, 2486070, 2810340, 3231891, 3590990, 4309188, 4972140, 5386485, 6463782, 7181980, 10772970, 12927564, 16159455, 21545940, 32318910, 64637820]

約数ペア:

[(1, 64637820), (2, 32318910), (3, 21545940), (4, 16159455), (5, 12927564), (6, 10772970), (9, 7181980), (10, 6463782), (12, 5386485), (13, 4972140), (15, 4309188), (18, 3590990), (20, 3231891), (23, 2810340), (26, 2486070), (30, 2154594), (36, 1795495), (39, 1657380), (45, 1436396), (46, 1405170), (52, 1243035), (60, 1077297), (65, 994428), (69, 936780), (78, 828690), (90, 718198), (92, 702585), (115, 562068), (117, 552460), (130, 497214), (138, 468390), (156, 414345), (180, 359099), (195, 331476), (207, 312260), (230, 281034), (234, 276230), (260, 248607), (276, 234195), (299, 216180), (345, 187356), (390, 165738), (414, 156130), (460, 140517), (468, 138115), (585, 110492), (598, 108090), (690, 93678), (780, 82869), (828, 78065), (897, 72060), (1035, 62452), (1170, 55246), (1196, 54045), (1201, 53820), (1380, 46839), (1495, 43236), (1794, 36030), (2070, 31226), (2340, 27623), (2402, 26910), (2691, 24020), (2990, 21618), (3588, 18015), (3603, 17940), (4140, 15613), (4485, 14412), (4804, 13455), (5382, 12010), (5980, 10809), (6005, 10764), (7206, 8970)]