155501320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15739}}^1$

素因数の和:15782

約数の個数: 64

約数和(自身を含む): 396648000

約数和(自身を除く): 241146680

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 15739, 31478, 62956, 78695, 125912, 157390, 204607, 299041, 314780, 409214, 598082, 629560, 818428, 1023035, 1196164, 1495205, 1636856, 2046070, 2392328, 2990410, 3887533, 4092140, 5980820, 7775066, 8184280, 11961640, 15550132, 19437665, 31100264, 38875330, 77750660, 155501320]

約数ペア:

[(1, 155501320), (2, 77750660), (4, 38875330), (5, 31100264), (8, 19437665), (10, 15550132), (13, 11961640), (19, 8184280), (20, 7775066), (26, 5980820), (38, 4092140), (40, 3887533), (52, 2990410), (65, 2392328), (76, 2046070), (95, 1636856), (104, 1495205), (130, 1196164), (152, 1023035), (190, 818428), (247, 629560), (260, 598082), (380, 409214), (494, 314780), (520, 299041), (760, 204607), (988, 157390), (1235, 125912), (1976, 78695), (2470, 62956), (4940, 31478), (9880, 15739)]