31540920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3923}}^1$

素因数の和:4004

約数の個数: 64

約数和(自身を含む): 96059520

約数和(自身を除く): 64518600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2680, 3923, 4020, 7846, 8040, 11769, 15692, 19615, 23538, 31384, 39230, 47076, 58845, 78460, 94152, 117690, 156920, 235380, 262841, 470760, 525682, 788523, 1051364, 1314205, 1577046, 2102728, 2628410, 3154092, 3942615, 5256820, 6308184, 7885230, 10513640, 15770460, 31540920]

約数ペア:

[(1, 31540920), (2, 15770460), (3, 10513640), (4, 7885230), (5, 6308184), (6, 5256820), (8, 3942615), (10, 3154092), (12, 2628410), (15, 2102728), (20, 1577046), (24, 1314205), (30, 1051364), (40, 788523), (60, 525682), (67, 470760), (120, 262841), (134, 235380), (201, 156920), (268, 117690), (335, 94152), (402, 78460), (536, 58845), (670, 47076), (804, 39230), (1005, 31384), (1340, 23538), (1608, 19615), (2010, 15692), (2680, 11769), (3923, 8040), (4020, 7846)]