180000990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6689}}^1$

素因数の和:6738

約数の個数: 96

約数和(自身を含む): 525994560

約数和(自身を除く): 345993570

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 30, 39, 45, 46, 65, 69, 78, 90, 115, 117, 130, 138, 195, 207, 230, 234, 299, 345, 390, 414, 585, 598, 690, 897, 1035, 1170, 1495, 1794, 2070, 2691, 2990, 4485, 5382, 6689, 8970, 13378, 13455, 20067, 26910, 33445, 40134, 60201, 66890, 86957, 100335, 120402, 153847, 173914, 200670, 260871, 301005, 307694, 434785, 461541, 521742, 602010, 769235, 782613, 869570, 923082, 1304355, 1384623, 1538470, 1565226, 2000011, 2307705, 2608710, 2769246, 3913065, 4000022, 4615410, 6000033, 6923115, 7826130, 10000055, 12000066, 13846230, 18000099, 20000110, 30000165, 36000198, 60000330, 90000495, 180000990]

約数ペア:

[(1, 180000990), (2, 90000495), (3, 60000330), (5, 36000198), (6, 30000165), (9, 20000110), (10, 18000099), (13, 13846230), (15, 12000066), (18, 10000055), (23, 7826130), (26, 6923115), (30, 6000033), (39, 4615410), (45, 4000022), (46, 3913065), (65, 2769246), (69, 2608710), (78, 2307705), (90, 2000011), (115, 1565226), (117, 1538470), (130, 1384623), (138, 1304355), (195, 923082), (207, 869570), (230, 782613), (234, 769235), (299, 602010), (345, 521742), (390, 461541), (414, 434785), (585, 307694), (598, 301005), (690, 260871), (897, 200670), (1035, 173914), (1170, 153847), (1495, 120402), (1794, 100335), (2070, 86957), (2691, 66890), (2990, 60201), (4485, 40134), (5382, 33445), (6689, 26910), (8970, 20067), (13378, 13455)]