21980760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1621}}^1$

素因数の和:1748

約数の個数: 64

約数和(自身を含む): 66566880

約数和(自身を除く): 44586120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 339, 452, 565, 678, 904, 1130, 1356, 1621, 1695, 2260, 2712, 3242, 3390, 4520, 4863, 6484, 6780, 8105, 9726, 12968, 13560, 16210, 19452, 24315, 32420, 38904, 48630, 64840, 97260, 183173, 194520, 366346, 549519, 732692, 915865, 1099038, 1465384, 1831730, 2198076, 2747595, 3663460, 4396152, 5495190, 7326920, 10990380, 21980760]

約数ペア:

[(1, 21980760), (2, 10990380), (3, 7326920), (4, 5495190), (5, 4396152), (6, 3663460), (8, 2747595), (10, 2198076), (12, 1831730), (15, 1465384), (20, 1099038), (24, 915865), (30, 732692), (40, 549519), (60, 366346), (113, 194520), (120, 183173), (226, 97260), (339, 64840), (452, 48630), (565, 38904), (678, 32420), (904, 24315), (1130, 19452), (1356, 16210), (1621, 13560), (1695, 12968), (2260, 9726), (2712, 8105), (3242, 6780), (3390, 6484), (4520, 4863)]