63645680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1277}}^1$

素因数の和:1386

約数の個数: 80

約数和(自身を含む): 171149760

約数和(自身を除く): 107504080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1277, 1424, 1780, 2492, 2554, 3115, 3560, 4984, 5108, 6230, 6385, 7120, 8939, 9968, 10216, 12460, 12770, 17878, 20432, 24920, 25540, 35756, 44695, 49840, 51080, 71512, 89390, 102160, 113653, 143024, 178780, 227306, 357560, 454612, 568265, 715120, 795571, 909224, 1136530, 1591142, 1818448, 2273060, 3182284, 3977855, 4546120, 6364568, 7955710, 9092240, 12729136, 15911420, 31822840, 63645680]

約数ペア:

[(1, 63645680), (2, 31822840), (4, 15911420), (5, 12729136), (7, 9092240), (8, 7955710), (10, 6364568), (14, 4546120), (16, 3977855), (20, 3182284), (28, 2273060), (35, 1818448), (40, 1591142), (56, 1136530), (70, 909224), (80, 795571), (89, 715120), (112, 568265), (140, 454612), (178, 357560), (280, 227306), (356, 178780), (445, 143024), (560, 113653), (623, 102160), (712, 89390), (890, 71512), (1246, 51080), (1277, 49840), (1424, 44695), (1780, 35756), (2492, 25540), (2554, 24920), (3115, 20432), (3560, 17878), (4984, 12770), (5108, 12460), (6230, 10216), (6385, 9968), (7120, 8939)]