51131880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{821}}^1$

素因数の和:1011

約数の個数: 96

約数和(自身を含む): 167342760

約数和(自身を除く): 116210880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 173, 180, 346, 360, 519, 692, 821, 865, 1038, 1384, 1557, 1642, 1730, 2076, 2463, 2595, 3114, 3284, 3460, 4105, 4152, 4926, 5190, 6228, 6568, 6920, 7389, 7785, 8210, 9852, 10380, 12315, 12456, 14778, 15570, 16420, 19704, 20760, 24630, 29556, 31140, 32840, 36945, 49260, 59112, 62280, 73890, 98520, 142033, 147780, 284066, 295560, 426099, 568132, 710165, 852198, 1136264, 1278297, 1420330, 1704396, 2130495, 2556594, 2840660, 3408792, 4260990, 5113188, 5681320, 6391485, 8521980, 10226376, 12782970, 17043960, 25565940, 51131880]

約数ペア:

[(1, 51131880), (2, 25565940), (3, 17043960), (4, 12782970), (5, 10226376), (6, 8521980), (8, 6391485), (9, 5681320), (10, 5113188), (12, 4260990), (15, 3408792), (18, 2840660), (20, 2556594), (24, 2130495), (30, 1704396), (36, 1420330), (40, 1278297), (45, 1136264), (60, 852198), (72, 710165), (90, 568132), (120, 426099), (173, 295560), (180, 284066), (346, 147780), (360, 142033), (519, 98520), (692, 73890), (821, 62280), (865, 59112), (1038, 49260), (1384, 36945), (1557, 32840), (1642, 31140), (1730, 29556), (2076, 24630), (2463, 20760), (2595, 19704), (3114, 16420), (3284, 15570), (3460, 14778), (4105, 12456), (4152, 12315), (4926, 10380), (5190, 9852), (6228, 8210), (6568, 7785), (6920, 7389)]