311056880

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:654

約数の個数: 80

約数和(自身を含む): 741273984

約数和(自身を除く): 430217104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 131, 134, 262, 268, 335, 443, 524, 536, 655, 670, 886, 1048, 1072, 1310, 1340, 1772, 2096, 2215, 2620, 2680, 3544, 4430, 5240, 5360, 7088, 8777, 8860, 10480, 17554, 17720, 29681, 35108, 35440, 43885, 58033, 59362, 70216, 87770, 116066, 118724, 140432, 148405, 175540, 232132, 237448, 290165, 296810, 351080, 464264, 474896, 580330, 593620, 702160, 928528, 1160660, 1187240, 2321320, 2374480, 3888211, 4642640, 7776422, 15552844, 19441055, 31105688, 38882110, 62211376, 77764220, 155528440, 311056880]

約数ペア:

[(1, 311056880), (2, 155528440), (4, 77764220), (5, 62211376), (8, 38882110), (10, 31105688), (16, 19441055), (20, 15552844), (40, 7776422), (67, 4642640), (80, 3888211), (131, 2374480), (134, 2321320), (262, 1187240), (268, 1160660), (335, 928528), (443, 702160), (524, 593620), (536, 580330), (655, 474896), (670, 464264), (886, 351080), (1048, 296810), (1072, 290165), (1310, 237448), (1340, 232132), (1772, 175540), (2096, 148405), (2215, 140432), (2620, 118724), (2680, 116066), (3544, 87770), (4430, 70216), (5240, 59362), (5360, 58033), (7088, 43885), (8777, 35440), (8860, 35108), (10480, 29681), (17554, 17720)]