77672580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18233}}^1$

素因数の和:18316

約数の個数: 48

約数和(自身を含む): 220558464

約数和(自身を除く): 142885884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 18233, 36466, 54699, 72932, 91165, 109398, 182330, 218796, 273495, 364660, 546990, 1093980, 1294543, 2589086, 3883629, 5178172, 6472715, 7767258, 12945430, 15534516, 19418145, 25890860, 38836290, 77672580]

約数ペア:

[(1, 77672580), (2, 38836290), (3, 25890860), (4, 19418145), (5, 15534516), (6, 12945430), (10, 7767258), (12, 6472715), (15, 5178172), (20, 3883629), (30, 2589086), (60, 1294543), (71, 1093980), (142, 546990), (213, 364660), (284, 273495), (355, 218796), (426, 182330), (710, 109398), (852, 91165), (1065, 72932), (1420, 54699), (2130, 36466), (4260, 18233)]