81860610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12347}}^1$

素因数の和:12387

約数の個数: 64

約数和(自身を含む): 224042112

約数和(自身を除く): 142181502

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 12347, 24694, 37041, 61735, 74082, 123470, 160511, 185205, 209899, 321022, 370410, 419798, 481533, 629697, 802555, 963066, 1049495, 1259394, 1605110, 2098990, 2407665, 2728687, 3148485, 4815330, 5457374, 6296970, 8186061, 13643435, 16372122, 27286870, 40930305, 81860610]

約数ペア:

[(1, 81860610), (2, 40930305), (3, 27286870), (5, 16372122), (6, 13643435), (10, 8186061), (13, 6296970), (15, 5457374), (17, 4815330), (26, 3148485), (30, 2728687), (34, 2407665), (39, 2098990), (51, 1605110), (65, 1259394), (78, 1049495), (85, 963066), (102, 802555), (130, 629697), (170, 481533), (195, 419798), (221, 370410), (255, 321022), (390, 209899), (442, 185205), (510, 160511), (663, 123470), (1105, 74082), (1326, 61735), (2210, 37041), (3315, 24694), (6630, 12347)]