2621640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{3121}}^1$

素因数の和:3142

約数の個数: 64

約数和(自身を含む): 8991360

約数和(自身を除く): 6369720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 3121, 6242, 9363, 12484, 15605, 18726, 21847, 24968, 31210, 37452, 43694, 46815, 62420, 65541, 74904, 87388, 93630, 109235, 124840, 131082, 174776, 187260, 218470, 262164, 327705, 374520, 436940, 524328, 655410, 873880, 1310820, 2621640]

約数ペア:

[(1, 2621640), (2, 1310820), (3, 873880), (4, 655410), (5, 524328), (6, 436940), (7, 374520), (8, 327705), (10, 262164), (12, 218470), (14, 187260), (15, 174776), (20, 131082), (21, 124840), (24, 109235), (28, 93630), (30, 87388), (35, 74904), (40, 65541), (42, 62420), (56, 46815), (60, 43694), (70, 37452), (84, 31210), (105, 24968), (120, 21847), (140, 18726), (168, 15605), (210, 12484), (280, 9363), (420, 6242), (840, 3121)]