64808320

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{773}}^1$

素因数の和:923

約数の個数: 64

約数和(自身を含む): 156317040

約数和(自身を除く): 91508720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 524, 640, 655, 773, 1048, 1310, 1546, 2096, 2620, 3092, 3865, 4192, 5240, 6184, 7730, 8384, 10480, 12368, 15460, 16768, 20960, 24736, 30920, 41920, 49472, 61840, 83840, 98944, 101263, 123680, 202526, 247360, 405052, 494720, 506315, 810104, 1012630, 1620208, 2025260, 3240416, 4050520, 6480832, 8101040, 12961664, 16202080, 32404160, 64808320]

約数ペア:

[(1, 64808320), (2, 32404160), (4, 16202080), (5, 12961664), (8, 8101040), (10, 6480832), (16, 4050520), (20, 3240416), (32, 2025260), (40, 1620208), (64, 1012630), (80, 810104), (128, 506315), (131, 494720), (160, 405052), (262, 247360), (320, 202526), (524, 123680), (640, 101263), (655, 98944), (773, 83840), (1048, 61840), (1310, 49472), (1546, 41920), (2096, 30920), (2620, 24736), (3092, 20960), (3865, 16768), (4192, 15460), (5240, 12368), (6184, 10480), (7730, 8384)]