187438140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4357}}^1$

素因数の和:4611

約数の個数: 72

約数和(自身を含む): 571072320

約数和(自身を除く): 383634180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2151, 2390, 2868, 3585, 4302, 4357, 4780, 7170, 8604, 8714, 10755, 13071, 14340, 17428, 21510, 21785, 26142, 39213, 43020, 43570, 52284, 65355, 78426, 87140, 130710, 156852, 196065, 261420, 392130, 784260, 1041323, 2082646, 3123969, 4165292, 5206615, 6247938, 9371907, 10413230, 12495876, 15619845, 18743814, 20826460, 31239690, 37487628, 46859535, 62479380, 93719070, 187438140]

約数ペア:

[(1, 187438140), (2, 93719070), (3, 62479380), (4, 46859535), (5, 37487628), (6, 31239690), (9, 20826460), (10, 18743814), (12, 15619845), (15, 12495876), (18, 10413230), (20, 9371907), (30, 6247938), (36, 5206615), (45, 4165292), (60, 3123969), (90, 2082646), (180, 1041323), (239, 784260), (478, 392130), (717, 261420), (956, 196065), (1195, 156852), (1434, 130710), (2151, 87140), (2390, 78426), (2868, 65355), (3585, 52284), (4302, 43570), (4357, 43020), (4780, 39213), (7170, 26142), (8604, 21785), (8714, 21510), (10755, 17428), (13071, 14340)]