30873160

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 71794800

約数和(自身を除く): 40921640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 97, 109, 146, 194, 218, 292, 365, 388, 436, 485, 545, 584, 730, 776, 872, 970, 1090, 1460, 1940, 2180, 2920, 3880, 4360, 7081, 7957, 10573, 14162, 15914, 21146, 28324, 31828, 35405, 39785, 42292, 52865, 56648, 63656, 70810, 79570, 84584, 105730, 141620, 159140, 211460, 283240, 318280, 422920, 771829, 1543658, 3087316, 3859145, 6174632, 7718290, 15436580, 30873160]

約数ペア:

[(1, 30873160), (2, 15436580), (4, 7718290), (5, 6174632), (8, 3859145), (10, 3087316), (20, 1543658), (40, 771829), (73, 422920), (97, 318280), (109, 283240), (146, 211460), (194, 159140), (218, 141620), (292, 105730), (365, 84584), (388, 79570), (436, 70810), (485, 63656), (545, 56648), (584, 52865), (730, 42292), (776, 39785), (872, 35405), (970, 31828), (1090, 28324), (1460, 21146), (1940, 15914), (2180, 14162), (2920, 10573), (3880, 7957), (4360, 7081)]