493945680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3181}}^1$

素因数の和:3844

約数の個数: 80

約数和(自身を含む): 1534080384

約数和(自身を除く): 1040134704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 647, 1294, 1941, 2588, 3181, 3235, 3882, 5176, 6362, 6470, 7764, 9543, 9705, 10352, 12724, 12940, 15528, 15905, 19086, 19410, 25448, 25880, 31056, 31810, 38172, 38820, 47715, 50896, 51760, 63620, 76344, 77640, 95430, 127240, 152688, 155280, 190860, 254480, 381720, 763440, 2058107, 4116214, 6174321, 8232428, 10290535, 12348642, 16464856, 20581070, 24697284, 30871605, 32929712, 41162140, 49394568, 61743210, 82324280, 98789136, 123486420, 164648560, 246972840, 493945680]

約数ペア:

[(1, 493945680), (2, 246972840), (3, 164648560), (4, 123486420), (5, 98789136), (6, 82324280), (8, 61743210), (10, 49394568), (12, 41162140), (15, 32929712), (16, 30871605), (20, 24697284), (24, 20581070), (30, 16464856), (40, 12348642), (48, 10290535), (60, 8232428), (80, 6174321), (120, 4116214), (240, 2058107), (647, 763440), (1294, 381720), (1941, 254480), (2588, 190860), (3181, 155280), (3235, 152688), (3882, 127240), (5176, 95430), (6362, 77640), (6470, 76344), (7764, 63620), (9543, 51760), (9705, 50896), (10352, 47715), (12724, 38820), (12940, 38172), (15528, 31810), (15905, 31056), (19086, 25880), (19410, 25448)]