64989760

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:564

約数の個数: 112

約数和(自身を含む): 173736000

約数和(自身を除く): 108746240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 64, 74, 80, 88, 110, 148, 160, 176, 185, 220, 296, 320, 352, 370, 407, 440, 499, 592, 704, 740, 814, 880, 998, 1184, 1480, 1628, 1760, 1996, 2035, 2368, 2495, 2960, 3256, 3520, 3992, 4070, 4990, 5489, 5920, 6512, 7984, 8140, 9980, 10978, 11840, 13024, 15968, 16280, 18463, 19960, 21956, 26048, 27445, 31936, 32560, 36926, 39920, 43912, 54890, 65120, 73852, 79840, 87824, 92315, 109780, 130240, 147704, 159680, 175648, 184630, 203093, 219560, 295408, 351296, 369260, 406186, 439120, 590816, 738520, 812372, 878240, 1015465, 1181632, 1477040, 1624744, 1756480, 2030930, 2954080, 3249488, 4061860, 5908160, 6498976, 8123720, 12997952, 16247440, 32494880, 64989760]

約数ペア:

[(1, 64989760), (2, 32494880), (4, 16247440), (5, 12997952), (8, 8123720), (10, 6498976), (11, 5908160), (16, 4061860), (20, 3249488), (22, 2954080), (32, 2030930), (37, 1756480), (40, 1624744), (44, 1477040), (55, 1181632), (64, 1015465), (74, 878240), (80, 812372), (88, 738520), (110, 590816), (148, 439120), (160, 406186), (176, 369260), (185, 351296), (220, 295408), (296, 219560), (320, 203093), (352, 184630), (370, 175648), (407, 159680), (440, 147704), (499, 130240), (592, 109780), (704, 92315), (740, 87824), (814, 79840), (880, 73852), (998, 65120), (1184, 54890), (1480, 43912), (1628, 39920), (1760, 36926), (1996, 32560), (2035, 31936), (2368, 27445), (2495, 26048), (2960, 21956), (3256, 19960), (3520, 18463), (3992, 16280), (4070, 15968), (4990, 13024), (5489, 11840), (5920, 10978), (6512, 9980), (7984, 8140)]