215708280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4621}}^1$

素因数の和:5024

約数の個数: 64

約数和(自身を含む): 648928800

約数和(自身を除く): 433220520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 778, 1167, 1556, 1945, 2334, 3112, 3890, 4621, 4668, 5835, 7780, 9242, 9336, 11670, 13863, 15560, 18484, 23105, 23340, 27726, 36968, 46210, 46680, 55452, 69315, 92420, 110904, 138630, 184840, 277260, 554520, 1797569, 3595138, 5392707, 7190276, 8987845, 10785414, 14380552, 17975690, 21570828, 26963535, 35951380, 43141656, 53927070, 71902760, 107854140, 215708280]

約数ペア:

[(1, 215708280), (2, 107854140), (3, 71902760), (4, 53927070), (5, 43141656), (6, 35951380), (8, 26963535), (10, 21570828), (12, 17975690), (15, 14380552), (20, 10785414), (24, 8987845), (30, 7190276), (40, 5392707), (60, 3595138), (120, 1797569), (389, 554520), (778, 277260), (1167, 184840), (1556, 138630), (1945, 110904), (2334, 92420), (3112, 69315), (3890, 55452), (4621, 46680), (4668, 46210), (5835, 36968), (7780, 27726), (9242, 23340), (9336, 23105), (11670, 18484), (13863, 15560)]