15312760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 36391680

約数和(自身を除く): 21078920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 233, 248, 265, 310, 424, 466, 530, 620, 932, 1060, 1165, 1240, 1643, 1864, 2120, 2330, 3286, 4660, 6572, 7223, 8215, 9320, 12349, 13144, 14446, 16430, 24698, 28892, 32860, 36115, 49396, 57784, 61745, 65720, 72230, 98792, 123490, 144460, 246980, 288920, 382819, 493960, 765638, 1531276, 1914095, 3062552, 3828190, 7656380, 15312760]

約数ペア:

[(1, 15312760), (2, 7656380), (4, 3828190), (5, 3062552), (8, 1914095), (10, 1531276), (20, 765638), (31, 493960), (40, 382819), (53, 288920), (62, 246980), (106, 144460), (124, 123490), (155, 98792), (212, 72230), (233, 65720), (248, 61745), (265, 57784), (310, 49396), (424, 36115), (466, 32860), (530, 28892), (620, 24698), (932, 16430), (1060, 14446), (1165, 13144), (1240, 12349), (1643, 9320), (1864, 8215), (2120, 7223), (2330, 6572), (3286, 4660)]