81831630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{87991}}^1$

素因数の和:88032

約数の個数: 32

約数和(自身を含む): 202733568

約数和(自身を除く): 120901938

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 87991, 175982, 263973, 439955, 527946, 879910, 1319865, 2639730, 2727721, 5455442, 8183163, 13638605, 16366326, 27277210, 40915815, 81831630]

約数ペア:

[(1, 81831630), (2, 40915815), (3, 27277210), (5, 16366326), (6, 13638605), (10, 8183163), (15, 5455442), (30, 2727721), (31, 2639730), (62, 1319865), (93, 879910), (155, 527946), (186, 439955), (310, 263973), (465, 175982), (930, 87991)]