64602760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{983}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 153031680

約数和(自身を除く): 88428920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 983, 1060, 1240, 1643, 1966, 2120, 3286, 3932, 4915, 6572, 7864, 8215, 9830, 13144, 16430, 19660, 30473, 32860, 39320, 52099, 60946, 65720, 104198, 121892, 152365, 208396, 243784, 260495, 304730, 416792, 520990, 609460, 1041980, 1218920, 1615069, 2083960, 3230138, 6460276, 8075345, 12920552, 16150690, 32301380, 64602760]

約数ペア:

[(1, 64602760), (2, 32301380), (4, 16150690), (5, 12920552), (8, 8075345), (10, 6460276), (20, 3230138), (31, 2083960), (40, 1615069), (53, 1218920), (62, 1041980), (106, 609460), (124, 520990), (155, 416792), (212, 304730), (248, 260495), (265, 243784), (310, 208396), (424, 152365), (530, 121892), (620, 104198), (983, 65720), (1060, 60946), (1240, 52099), (1643, 39320), (1966, 32860), (2120, 30473), (3286, 19660), (3932, 16430), (4915, 13144), (6572, 9830), (7864, 8215)]