21759240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1013}}^1$

素因数の和:1206

約数の個数: 64

約数和(自身を含む): 65707200

約数和(自身を除く): 43947960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179, 358, 537, 716, 895, 1013, 1074, 1432, 1790, 2026, 2148, 2685, 3039, 3580, 4052, 4296, 5065, 5370, 6078, 7160, 8104, 10130, 10740, 12156, 15195, 20260, 21480, 24312, 30390, 40520, 60780, 121560, 181327, 362654, 543981, 725308, 906635, 1087962, 1450616, 1813270, 2175924, 2719905, 3626540, 4351848, 5439810, 7253080, 10879620, 21759240]

約数ペア:

[(1, 21759240), (2, 10879620), (3, 7253080), (4, 5439810), (5, 4351848), (6, 3626540), (8, 2719905), (10, 2175924), (12, 1813270), (15, 1450616), (20, 1087962), (24, 906635), (30, 725308), (40, 543981), (60, 362654), (120, 181327), (179, 121560), (358, 60780), (537, 40520), (716, 30390), (895, 24312), (1013, 21480), (1074, 20260), (1432, 15195), (1790, 12156), (2026, 10740), (2148, 10130), (2685, 8104), (3039, 7160), (3580, 6078), (4052, 5370), (4296, 5065)]