15742830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 40435200

約数和(自身を除く): 24692370

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 71, 95, 114, 142, 190, 213, 285, 355, 389, 426, 570, 710, 778, 1065, 1167, 1349, 1945, 2130, 2334, 2698, 3890, 4047, 5835, 6745, 7391, 8094, 11670, 13490, 14782, 20235, 22173, 27619, 36955, 40470, 44346, 55238, 73910, 82857, 110865, 138095, 165714, 221730, 276190, 414285, 524761, 828570, 1049522, 1574283, 2623805, 3148566, 5247610, 7871415, 15742830]

約数ペア:

[(1, 15742830), (2, 7871415), (3, 5247610), (5, 3148566), (6, 2623805), (10, 1574283), (15, 1049522), (19, 828570), (30, 524761), (38, 414285), (57, 276190), (71, 221730), (95, 165714), (114, 138095), (142, 110865), (190, 82857), (213, 73910), (285, 55238), (355, 44346), (389, 40470), (426, 36955), (570, 27619), (710, 22173), (778, 20235), (1065, 14782), (1167, 13490), (1349, 11670), (1945, 8094), (2130, 7391), (2334, 6745), (2698, 5835), (3890, 4047)]