81845010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5381}}^1$

素因数の和:5420

約数の個数: 72

約数和(自身を含む): 230468004

約数和(自身を除く): 148622994

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 845, 1014, 1170, 1521, 1690, 2535, 3042, 5070, 5381, 7605, 10762, 15210, 16143, 26905, 32286, 48429, 53810, 69953, 80715, 96858, 139906, 161430, 209859, 242145, 349765, 419718, 484290, 629577, 699530, 909389, 1049295, 1259154, 1818778, 2098590, 2728167, 3147885, 4546945, 5456334, 6295770, 8184501, 9093890, 13640835, 16369002, 27281670, 40922505, 81845010]

約数ペア:

[(1, 81845010), (2, 40922505), (3, 27281670), (5, 16369002), (6, 13640835), (9, 9093890), (10, 8184501), (13, 6295770), (15, 5456334), (18, 4546945), (26, 3147885), (30, 2728167), (39, 2098590), (45, 1818778), (65, 1259154), (78, 1049295), (90, 909389), (117, 699530), (130, 629577), (169, 484290), (195, 419718), (234, 349765), (338, 242145), (390, 209859), (507, 161430), (585, 139906), (845, 96858), (1014, 80715), (1170, 69953), (1521, 53810), (1690, 48429), (2535, 32286), (3042, 26905), (5070, 16143), (5381, 15210), (7605, 10762)]