1638292960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{593}}^1$

素因数の和:1196

約数の個数: 96

約数和(自身を含む): 4009243392

約数和(自身を除く): 2370950432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 557, 593, 620, 992, 1114, 1186, 1240, 2228, 2372, 2480, 2785, 2965, 4456, 4744, 4960, 5570, 5930, 8912, 9488, 11140, 11860, 17267, 17824, 18383, 18976, 22280, 23720, 34534, 36766, 44560, 47440, 69068, 73532, 86335, 89120, 91915, 94880, 138136, 147064, 172670, 183830, 276272, 294128, 330301, 345340, 367660, 552544, 588256, 660602, 690680, 735320, 1321204, 1381360, 1470640, 1651505, 2642408, 2762720, 2941280, 3303010, 5284816, 6606020, 10239331, 10569632, 13212040, 20478662, 26424080, 40957324, 51196655, 52848160, 81914648, 102393310, 163829296, 204786620, 327658592, 409573240, 819146480, 1638292960]

約数ペア:

[(1, 1638292960), (2, 819146480), (4, 409573240), (5, 327658592), (8, 204786620), (10, 163829296), (16, 102393310), (20, 81914648), (31, 52848160), (32, 51196655), (40, 40957324), (62, 26424080), (80, 20478662), (124, 13212040), (155, 10569632), (160, 10239331), (248, 6606020), (310, 5284816), (496, 3303010), (557, 2941280), (593, 2762720), (620, 2642408), (992, 1651505), (1114, 1470640), (1186, 1381360), (1240, 1321204), (2228, 735320), (2372, 690680), (2480, 660602), (2785, 588256), (2965, 552544), (4456, 367660), (4744, 345340), (4960, 330301), (5570, 294128), (5930, 276272), (8912, 183830), (9488, 172670), (11140, 147064), (11860, 138136), (17267, 94880), (17824, 91915), (18383, 89120), (18976, 86335), (22280, 73532), (23720, 69068), (34534, 47440), (36766, 44560)]