81565770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19013}}^1$

素因数の和:19047

約数の個数: 64

約数和(自身を含む): 229993344

約数和(自身を除く): 148427574

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 19013, 38026, 57039, 95065, 114078, 190130, 209143, 247169, 285195, 418286, 494338, 570390, 627429, 741507, 1045715, 1235845, 1254858, 1483014, 2091430, 2471690, 2718859, 3137145, 3707535, 5437718, 6274290, 7415070, 8156577, 13594295, 16313154, 27188590, 40782885, 81565770]

約数ペア:

[(1, 81565770), (2, 40782885), (3, 27188590), (5, 16313154), (6, 13594295), (10, 8156577), (11, 7415070), (13, 6274290), (15, 5437718), (22, 3707535), (26, 3137145), (30, 2718859), (33, 2471690), (39, 2091430), (55, 1483014), (65, 1254858), (66, 1235845), (78, 1045715), (110, 741507), (130, 627429), (143, 570390), (165, 494338), (195, 418286), (286, 285195), (330, 247169), (390, 209143), (429, 190130), (715, 114078), (858, 95065), (1430, 57039), (2145, 38026), (4290, 19013)]