28131570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3361}}^1$

素因数の和:3408

約数の個数: 64

約数和(自身を含む): 77460480

約数和(自身を除く): 49328910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2790, 3361, 4185, 6722, 8370, 10083, 16805, 20166, 30249, 33610, 50415, 60498, 90747, 100830, 104191, 151245, 181494, 208382, 302490, 312573, 453735, 520955, 625146, 907470, 937719, 1041910, 1562865, 1875438, 2813157, 3125730, 4688595, 5626314, 9377190, 14065785, 28131570]

約数ペア:

[(1, 28131570), (2, 14065785), (3, 9377190), (5, 5626314), (6, 4688595), (9, 3125730), (10, 2813157), (15, 1875438), (18, 1562865), (27, 1041910), (30, 937719), (31, 907470), (45, 625146), (54, 520955), (62, 453735), (90, 312573), (93, 302490), (135, 208382), (155, 181494), (186, 151245), (270, 104191), (279, 100830), (310, 90747), (465, 60498), (558, 50415), (837, 33610), (930, 30249), (1395, 20166), (1674, 16805), (2790, 10083), (3361, 8370), (4185, 6722)]