6981780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8951}}^1$

素因数の和:8976

約数の個数: 48

約数和(自身を含む): 21055104

約数和(自身を除く): 14073324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 8951, 17902, 26853, 35804, 44755, 53706, 89510, 107412, 116363, 134265, 179020, 232726, 268530, 349089, 465452, 537060, 581815, 698178, 1163630, 1396356, 1745445, 2327260, 3490890, 6981780]

約数ペア:

[(1, 6981780), (2, 3490890), (3, 2327260), (4, 1745445), (5, 1396356), (6, 1163630), (10, 698178), (12, 581815), (13, 537060), (15, 465452), (20, 349089), (26, 268530), (30, 232726), (39, 179020), (52, 134265), (60, 116363), (65, 107412), (78, 89510), (130, 53706), (156, 44755), (195, 35804), (260, 26853), (390, 17902), (780, 8951)]