215818590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17851}}^1$

素因数の和:17905

約数の個数: 64

約数和(自身を含む): 575834112

約数和(自身を除く): 360015522

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 12090, 17851, 35702, 53553, 89255, 107106, 178510, 232063, 267765, 464126, 535530, 553381, 696189, 1106762, 1160315, 1392378, 1660143, 2320630, 2766905, 3320286, 3480945, 5533810, 6961890, 7193953, 8300715, 14387906, 16601430, 21581859, 35969765, 43163718, 71939530, 107909295, 215818590]

約数ペア:

[(1, 215818590), (2, 107909295), (3, 71939530), (5, 43163718), (6, 35969765), (10, 21581859), (13, 16601430), (15, 14387906), (26, 8300715), (30, 7193953), (31, 6961890), (39, 5533810), (62, 3480945), (65, 3320286), (78, 2766905), (93, 2320630), (130, 1660143), (155, 1392378), (186, 1160315), (195, 1106762), (310, 696189), (390, 553381), (403, 535530), (465, 464126), (806, 267765), (930, 232063), (1209, 178510), (2015, 107106), (2418, 89255), (4030, 53553), (6045, 35702), (12090, 17851)]