28719990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24547}}^1$

素因数の和:24573

約数の個数: 48

約数和(自身を含む): 80419248

約数和(自身を除く): 51699258

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 24547, 49094, 73641, 122735, 147282, 220923, 245470, 319111, 368205, 441846, 638222, 736410, 957333, 1104615, 1595555, 1914666, 2209230, 2871999, 3191110, 4786665, 5743998, 9573330, 14359995, 28719990]

約数ペア:

[(1, 28719990), (2, 14359995), (3, 9573330), (5, 5743998), (6, 4786665), (9, 3191110), (10, 2871999), (13, 2209230), (15, 1914666), (18, 1595555), (26, 1104615), (30, 957333), (39, 736410), (45, 638222), (65, 441846), (78, 368205), (90, 319111), (117, 245470), (130, 220923), (195, 147282), (234, 122735), (390, 73641), (585, 49094), (1170, 24547)]