320288520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{3251}}^1$

素因数の和:4086

約数の個数: 64

約数和(自身を含む): 962331840

約数和(自身を除く): 642043320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 821, 1642, 2463, 3251, 3284, 4105, 4926, 6502, 6568, 8210, 9753, 9852, 12315, 13004, 16255, 16420, 19506, 19704, 24630, 26008, 32510, 32840, 39012, 48765, 49260, 65020, 78024, 97530, 98520, 130040, 195060, 390120, 2669071, 5338142, 8007213, 10676284, 13345355, 16014426, 21352568, 26690710, 32028852, 40036065, 53381420, 64057704, 80072130, 106762840, 160144260, 320288520]

約数ペア:

[(1, 320288520), (2, 160144260), (3, 106762840), (4, 80072130), (5, 64057704), (6, 53381420), (8, 40036065), (10, 32028852), (12, 26690710), (15, 21352568), (20, 16014426), (24, 13345355), (30, 10676284), (40, 8007213), (60, 5338142), (120, 2669071), (821, 390120), (1642, 195060), (2463, 130040), (3251, 98520), (3284, 97530), (4105, 78024), (4926, 65020), (6502, 49260), (6568, 48765), (8210, 39012), (9753, 32840), (9852, 32510), (12315, 26008), (13004, 24630), (16255, 19704), (16420, 19506)]