15860390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 36408960

約数和(自身を除く): 20548570

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 58, 65, 70, 91, 130, 145, 182, 203, 290, 377, 406, 455, 601, 754, 910, 1015, 1202, 1885, 2030, 2639, 3005, 3770, 4207, 5278, 6010, 7813, 8414, 13195, 15626, 17429, 21035, 26390, 34858, 39065, 42070, 54691, 78130, 87145, 109382, 122003, 174290, 226577, 244006, 273455, 453154, 546910, 610015, 1132885, 1220030, 1586039, 2265770, 3172078, 7930195, 15860390]

約数ペア:

[(1, 15860390), (2, 7930195), (5, 3172078), (7, 2265770), (10, 1586039), (13, 1220030), (14, 1132885), (26, 610015), (29, 546910), (35, 453154), (58, 273455), (65, 244006), (70, 226577), (91, 174290), (130, 122003), (145, 109382), (182, 87145), (203, 78130), (290, 54691), (377, 42070), (406, 39065), (455, 34858), (601, 26390), (754, 21035), (910, 17429), (1015, 15626), (1202, 13195), (1885, 8414), (2030, 7813), (2639, 6010), (3005, 5278), (3770, 4207)]