12890730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 32514048

約数和(自身を除く): 19623318

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 83, 93, 155, 166, 167, 186, 249, 310, 334, 415, 465, 498, 501, 830, 835, 930, 1002, 1245, 1670, 2490, 2505, 2573, 5010, 5146, 5177, 7719, 10354, 12865, 13861, 15438, 15531, 25730, 25885, 27722, 31062, 38595, 41583, 51770, 69305, 77190, 77655, 83166, 138610, 155310, 207915, 415830, 429691, 859382, 1289073, 2148455, 2578146, 4296910, 6445365, 12890730]

約数ペア:

[(1, 12890730), (2, 6445365), (3, 4296910), (5, 2578146), (6, 2148455), (10, 1289073), (15, 859382), (30, 429691), (31, 415830), (62, 207915), (83, 155310), (93, 138610), (155, 83166), (166, 77655), (167, 77190), (186, 69305), (249, 51770), (310, 41583), (334, 38595), (415, 31062), (465, 27722), (498, 25885), (501, 25730), (830, 15531), (835, 15438), (930, 13861), (1002, 12865), (1245, 10354), (1670, 7719), (2490, 5177), (2505, 5146), (2573, 5010)]