64015760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{673}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 157958640

約数和(自身を除く): 93942880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 145, 164, 205, 232, 290, 328, 410, 464, 580, 656, 673, 820, 1160, 1189, 1346, 1640, 2320, 2378, 2692, 3280, 3365, 4756, 5384, 5945, 6730, 9512, 10768, 11890, 13460, 19024, 19517, 23780, 26920, 27593, 39034, 47560, 53840, 55186, 78068, 95120, 97585, 110372, 137965, 156136, 195170, 220744, 275930, 312272, 390340, 441488, 551860, 780680, 800197, 1103720, 1561360, 1600394, 2207440, 3200788, 4000985, 6401576, 8001970, 12803152, 16003940, 32007880, 64015760]

約数ペア:

[(1, 64015760), (2, 32007880), (4, 16003940), (5, 12803152), (8, 8001970), (10, 6401576), (16, 4000985), (20, 3200788), (29, 2207440), (40, 1600394), (41, 1561360), (58, 1103720), (80, 800197), (82, 780680), (116, 551860), (145, 441488), (164, 390340), (205, 312272), (232, 275930), (290, 220744), (328, 195170), (410, 156136), (464, 137965), (580, 110372), (656, 97585), (673, 95120), (820, 78068), (1160, 55186), (1189, 53840), (1346, 47560), (1640, 39034), (2320, 27593), (2378, 26920), (2692, 23780), (3280, 19517), (3365, 19024), (4756, 13460), (5384, 11890), (5945, 10768), (6730, 9512)]