64842820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1283}}^1$

素因数の和:1337

約数の個数: 72

約数和(自身を含む): 164372544

約数和(自身を除く): 99529724

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 1283, 1330, 1444, 1805, 2527, 2566, 2660, 3610, 5054, 5132, 6415, 7220, 8981, 10108, 12635, 12830, 17962, 24377, 25270, 25660, 35924, 44905, 48754, 50540, 89810, 97508, 121885, 170639, 179620, 243770, 341278, 463163, 487540, 682556, 853195, 926326, 1706390, 1852652, 2315815, 3242141, 3412780, 4631630, 6484282, 9263260, 12968564, 16210705, 32421410, 64842820]

約数ペア:

[(1, 64842820), (2, 32421410), (4, 16210705), (5, 12968564), (7, 9263260), (10, 6484282), (14, 4631630), (19, 3412780), (20, 3242141), (28, 2315815), (35, 1852652), (38, 1706390), (70, 926326), (76, 853195), (95, 682556), (133, 487540), (140, 463163), (190, 341278), (266, 243770), (361, 179620), (380, 170639), (532, 121885), (665, 97508), (722, 89810), (1283, 50540), (1330, 48754), (1444, 44905), (1805, 35924), (2527, 25660), (2566, 25270), (2660, 24377), (3610, 17962), (5054, 12830), (5132, 12635), (6415, 10108), (7220, 8981)]