640360680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{13933}}^1$

素因数の和:14330

約数の個数: 64

約数和(自身を含む): 1926236160

約数和(自身を除く): 1285875480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 383, 766, 1149, 1532, 1915, 2298, 3064, 3830, 4596, 5745, 7660, 9192, 11490, 13933, 15320, 22980, 27866, 41799, 45960, 55732, 69665, 83598, 111464, 139330, 167196, 208995, 278660, 334392, 417990, 557320, 835980, 1671960, 5336339, 10672678, 16009017, 21345356, 26681695, 32018034, 42690712, 53363390, 64036068, 80045085, 106726780, 128072136, 160090170, 213453560, 320180340, 640360680]

約数ペア:

[(1, 640360680), (2, 320180340), (3, 213453560), (4, 160090170), (5, 128072136), (6, 106726780), (8, 80045085), (10, 64036068), (12, 53363390), (15, 42690712), (20, 32018034), (24, 26681695), (30, 21345356), (40, 16009017), (60, 10672678), (120, 5336339), (383, 1671960), (766, 835980), (1149, 557320), (1532, 417990), (1915, 334392), (2298, 278660), (3064, 208995), (3830, 167196), (4596, 139330), (5745, 111464), (7660, 83598), (9192, 69665), (11490, 55732), (13933, 45960), (15320, 41799), (22980, 27866)]