81675180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{587}}^1\times {\mathrm{773}}^1$

素因数の和:1375

約数の個数: 72

約数和(自身を含む): 248491152

約数和(自身を除く): 166815972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 587, 773, 1174, 1546, 1761, 2319, 2348, 2935, 3092, 3522, 3865, 4638, 5283, 5870, 6957, 7044, 7730, 8805, 9276, 10566, 11595, 11740, 13914, 15460, 17610, 21132, 23190, 26415, 27828, 34785, 35220, 46380, 52830, 69570, 105660, 139140, 453751, 907502, 1361253, 1815004, 2268755, 2722506, 4083759, 4537510, 5445012, 6806265, 8167518, 9075020, 13612530, 16335036, 20418795, 27225060, 40837590, 81675180]

約数ペア:

[(1, 81675180), (2, 40837590), (3, 27225060), (4, 20418795), (5, 16335036), (6, 13612530), (9, 9075020), (10, 8167518), (12, 6806265), (15, 5445012), (18, 4537510), (20, 4083759), (30, 2722506), (36, 2268755), (45, 1815004), (60, 1361253), (90, 907502), (180, 453751), (587, 139140), (773, 105660), (1174, 69570), (1546, 52830), (1761, 46380), (2319, 35220), (2348, 34785), (2935, 27828), (3092, 26415), (3522, 23190), (3865, 21132), (4638, 17610), (5283, 15460), (5870, 13914), (6957, 11740), (7044, 11595), (7730, 10566), (8805, 9276)]