128103780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9839}}^1$

素因数の和:9889

約数の個数: 96

約数和(自身を含む): 423198720

約数和(自身を除く): 295094940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 9839, 13020, 19678, 29517, 39356, 49195, 59034, 68873, 98390, 118068, 137746, 147585, 196780, 206619, 275492, 295170, 305009, 344365, 413238, 590340, 610018, 688730, 826476, 915027, 1033095, 1220036, 1377460, 1525045, 1830054, 2066190, 2135063, 3050090, 3660108, 4132380, 4270126, 4575135, 6100180, 6405189, 8540252, 9150270, 10675315, 12810378, 18300540, 21350630, 25620756, 32025945, 42701260, 64051890, 128103780]

約数ペア:

[(1, 128103780), (2, 64051890), (3, 42701260), (4, 32025945), (5, 25620756), (6, 21350630), (7, 18300540), (10, 12810378), (12, 10675315), (14, 9150270), (15, 8540252), (20, 6405189), (21, 6100180), (28, 4575135), (30, 4270126), (31, 4132380), (35, 3660108), (42, 3050090), (60, 2135063), (62, 2066190), (70, 1830054), (84, 1525045), (93, 1377460), (105, 1220036), (124, 1033095), (140, 915027), (155, 826476), (186, 688730), (210, 610018), (217, 590340), (310, 413238), (372, 344365), (420, 305009), (434, 295170), (465, 275492), (620, 206619), (651, 196780), (868, 147585), (930, 137746), (1085, 118068), (1302, 98390), (1860, 68873), (2170, 59034), (2604, 49195), (3255, 39356), (4340, 29517), (6510, 19678), (9839, 13020)]