720304890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1\times {\mathrm{397}}^1$

素因数の和:911

約数の個数: 64

約数和(自身を含む): 1747557504

約数和(自身を除く): 1027252614

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 197, 307, 394, 397, 591, 614, 794, 921, 985, 1182, 1191, 1535, 1842, 1970, 1985, 2382, 2955, 3070, 3970, 4605, 5910, 5955, 9210, 11910, 60479, 78209, 120958, 121879, 156418, 181437, 234627, 243758, 302395, 362874, 365637, 391045, 469254, 604790, 609395, 731274, 782090, 907185, 1173135, 1218790, 1814370, 1828185, 2346270, 3656370, 24010163, 48020326, 72030489, 120050815, 144060978, 240101630, 360152445, 720304890]

約数ペア:

[(1, 720304890), (2, 360152445), (3, 240101630), (5, 144060978), (6, 120050815), (10, 72030489), (15, 48020326), (30, 24010163), (197, 3656370), (307, 2346270), (394, 1828185), (397, 1814370), (591, 1218790), (614, 1173135), (794, 907185), (921, 782090), (985, 731274), (1182, 609395), (1191, 604790), (1535, 469254), (1842, 391045), (1970, 365637), (1985, 362874), (2382, 302395), (2955, 243758), (3070, 234627), (3970, 181437), (4605, 156418), (5910, 121879), (5955, 120958), (9210, 78209), (11910, 60479)]