13255020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 40513200

約数和(自身を除く): 27258180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 349, 422, 633, 698, 844, 1047, 1055, 1266, 1396, 1745, 1899, 2094, 2110, 2532, 3141, 3165, 3490, 3798, 4188, 4220, 5235, 6282, 6330, 6980, 7596, 9495, 10470, 12564, 12660, 15705, 18990, 20940, 31410, 37980, 62820, 73639, 147278, 220917, 294556, 368195, 441834, 662751, 736390, 883668, 1104585, 1325502, 1472780, 2209170, 2651004, 3313755, 4418340, 6627510, 13255020]

約数ペア:

[(1, 13255020), (2, 6627510), (3, 4418340), (4, 3313755), (5, 2651004), (6, 2209170), (9, 1472780), (10, 1325502), (12, 1104585), (15, 883668), (18, 736390), (20, 662751), (30, 441834), (36, 368195), (45, 294556), (60, 220917), (90, 147278), (180, 73639), (211, 62820), (349, 37980), (422, 31410), (633, 20940), (698, 18990), (844, 15705), (1047, 12660), (1055, 12564), (1266, 10470), (1396, 9495), (1745, 7596), (1899, 6980), (2094, 6330), (2110, 6282), (2532, 5235), (3141, 4220), (3165, 4188), (3490, 3798)]