155621640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4091}}^1$

素因数の和:4422

約数の個数: 64

約数和(自身を含む): 468452160

約数和(自身を除く): 312830520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 317, 634, 951, 1268, 1585, 1902, 2536, 3170, 3804, 4091, 4755, 6340, 7608, 8182, 9510, 12273, 12680, 16364, 19020, 20455, 24546, 32728, 38040, 40910, 49092, 61365, 81820, 98184, 122730, 163640, 245460, 490920, 1296847, 2593694, 3890541, 5187388, 6484235, 7781082, 10374776, 12968470, 15562164, 19452705, 25936940, 31124328, 38905410, 51873880, 77810820, 155621640]

約数ペア:

[(1, 155621640), (2, 77810820), (3, 51873880), (4, 38905410), (5, 31124328), (6, 25936940), (8, 19452705), (10, 15562164), (12, 12968470), (15, 10374776), (20, 7781082), (24, 6484235), (30, 5187388), (40, 3890541), (60, 2593694), (120, 1296847), (317, 490920), (634, 245460), (951, 163640), (1268, 122730), (1585, 98184), (1902, 81820), (2536, 61365), (3170, 49092), (3804, 40910), (4091, 38040), (4755, 32728), (6340, 24546), (7608, 20455), (8182, 19020), (9510, 16364), (12273, 12680)]