80724870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4211}}^1$

素因数の和:4298

約数の個数: 64

約数和(自身を含む): 218350080

約数和(自身を除く): 137625210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 710, 1065, 1278, 1917, 2130, 3195, 3834, 4211, 6390, 8422, 9585, 12633, 19170, 21055, 25266, 37899, 42110, 63165, 75798, 113697, 126330, 189495, 227394, 298981, 378990, 568485, 597962, 896943, 1136970, 1494905, 1793886, 2690829, 2989810, 4484715, 5381658, 8072487, 8969430, 13454145, 16144974, 26908290, 40362435, 80724870]

約数ペア:

[(1, 80724870), (2, 40362435), (3, 26908290), (5, 16144974), (6, 13454145), (9, 8969430), (10, 8072487), (15, 5381658), (18, 4484715), (27, 2989810), (30, 2690829), (45, 1793886), (54, 1494905), (71, 1136970), (90, 896943), (135, 597962), (142, 568485), (213, 378990), (270, 298981), (355, 227394), (426, 189495), (639, 126330), (710, 113697), (1065, 75798), (1278, 63165), (1917, 42110), (2130, 37899), (3195, 25266), (3834, 21055), (4211, 19170), (6390, 12633), (8422, 9585)]