64391340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2663}}^1$

素因数の和:2719

約数の個数: 96

約数和(自身を含む): 200503296

約数和(自身を除く): 136111956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 2663, 4030, 4836, 5326, 6045, 7989, 8060, 10652, 12090, 13315, 15978, 24180, 26630, 31956, 34619, 39945, 53260, 69238, 79890, 82553, 103857, 138476, 159780, 165106, 173095, 207714, 247659, 330212, 346190, 412765, 415428, 495318, 519285, 692380, 825530, 990636, 1038570, 1073189, 1238295, 1651060, 2077140, 2146378, 2476590, 3219567, 4292756, 4953180, 5365945, 6439134, 10731890, 12878268, 16097835, 21463780, 32195670, 64391340]

約数ペア:

[(1, 64391340), (2, 32195670), (3, 21463780), (4, 16097835), (5, 12878268), (6, 10731890), (10, 6439134), (12, 5365945), (13, 4953180), (15, 4292756), (20, 3219567), (26, 2476590), (30, 2146378), (31, 2077140), (39, 1651060), (52, 1238295), (60, 1073189), (62, 1038570), (65, 990636), (78, 825530), (93, 692380), (124, 519285), (130, 495318), (155, 415428), (156, 412765), (186, 346190), (195, 330212), (260, 247659), (310, 207714), (372, 173095), (390, 165106), (403, 159780), (465, 138476), (620, 103857), (780, 82553), (806, 79890), (930, 69238), (1209, 53260), (1612, 39945), (1860, 34619), (2015, 31956), (2418, 26630), (2663, 24180), (4030, 15978), (4836, 13315), (5326, 12090), (6045, 10652), (7989, 8060)]