640342320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2668093}}^1$

素因数の和:2668109

約数の個数: 40

約数和(自身を含む): 1985061936

約数和(自身を除く): 1344719616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2668093, 5336186, 8004279, 10672372, 13340465, 16008558, 21344744, 26680930, 32017116, 40021395, 42689488, 53361860, 64034232, 80042790, 106723720, 128068464, 160085580, 213447440, 320171160, 640342320]

約数ペア:

[(1, 640342320), (2, 320171160), (3, 213447440), (4, 160085580), (5, 128068464), (6, 106723720), (8, 80042790), (10, 64034232), (12, 53361860), (15, 42689488), (16, 40021395), (20, 32017116), (24, 26680930), (30, 21344744), (40, 16008558), (48, 13340465), (60, 10672372), (80, 8004279), (120, 5336186), (240, 2668093)]