21574680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1103}}^1$

素因数の和:1280

約数の個数: 64

約数和(自身を含む): 65180160

約数和(自身を除く): 43605480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1103, 1304, 1630, 1956, 2206, 2445, 3260, 3309, 3912, 4412, 4890, 5515, 6520, 6618, 8824, 9780, 11030, 13236, 16545, 19560, 22060, 26472, 33090, 44120, 66180, 132360, 179789, 359578, 539367, 719156, 898945, 1078734, 1438312, 1797890, 2157468, 2696835, 3595780, 4314936, 5393670, 7191560, 10787340, 21574680]

約数ペア:

[(1, 21574680), (2, 10787340), (3, 7191560), (4, 5393670), (5, 4314936), (6, 3595780), (8, 2696835), (10, 2157468), (12, 1797890), (15, 1438312), (20, 1078734), (24, 898945), (30, 719156), (40, 539367), (60, 359578), (120, 179789), (163, 132360), (326, 66180), (489, 44120), (652, 33090), (815, 26472), (978, 22060), (1103, 19560), (1304, 16545), (1630, 13236), (1956, 11030), (2206, 9780), (2445, 8824), (3260, 6618), (3309, 6520), (3912, 5515), (4412, 4890)]