15790720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2243}}^1$

素因数の和:2273

約数の個数: 64

約数和(自身を含む): 41199840

約数和(自身を除く): 25409120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 2243, 3520, 4486, 7040, 8972, 11215, 17944, 22430, 24673, 35888, 44860, 49346, 71776, 89720, 98692, 123365, 143552, 179440, 197384, 246730, 287104, 358880, 394768, 493460, 717760, 789536, 986920, 1435520, 1579072, 1973840, 3158144, 3947680, 7895360, 15790720]

約数ペア:

[(1, 15790720), (2, 7895360), (4, 3947680), (5, 3158144), (8, 1973840), (10, 1579072), (11, 1435520), (16, 986920), (20, 789536), (22, 717760), (32, 493460), (40, 394768), (44, 358880), (55, 287104), (64, 246730), (80, 197384), (88, 179440), (110, 143552), (128, 123365), (160, 98692), (176, 89720), (220, 71776), (320, 49346), (352, 44860), (440, 35888), (640, 24673), (704, 22430), (880, 17944), (1408, 11215), (1760, 8972), (2243, 7040), (3520, 4486)]