247960920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{4243}}^1$

素因数の和:4744

約数の個数: 64

約数和(自身を含む): 745585920

約数和(自身を除く): 497625000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 487, 974, 1461, 1948, 2435, 2922, 3896, 4243, 4870, 5844, 7305, 8486, 9740, 11688, 12729, 14610, 16972, 19480, 21215, 25458, 29220, 33944, 42430, 50916, 58440, 63645, 84860, 101832, 127290, 169720, 254580, 509160, 2066341, 4132682, 6199023, 8265364, 10331705, 12398046, 16530728, 20663410, 24796092, 30995115, 41326820, 49592184, 61990230, 82653640, 123980460, 247960920]

約数ペア:

[(1, 247960920), (2, 123980460), (3, 82653640), (4, 61990230), (5, 49592184), (6, 41326820), (8, 30995115), (10, 24796092), (12, 20663410), (15, 16530728), (20, 12398046), (24, 10331705), (30, 8265364), (40, 6199023), (60, 4132682), (120, 2066341), (487, 509160), (974, 254580), (1461, 169720), (1948, 127290), (2435, 101832), (2922, 84860), (3896, 63645), (4243, 58440), (4870, 50916), (5844, 42430), (7305, 33944), (8486, 29220), (9740, 25458), (11688, 21215), (12729, 19480), (14610, 16972)]