156566020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^2\times {\mathrm{113}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 362173896

約数和(自身を除く): 205607876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 113, 130, 146, 226, 260, 292, 365, 452, 565, 730, 949, 1130, 1460, 1469, 1898, 2260, 2938, 3796, 4745, 5329, 5876, 7345, 8249, 9490, 10658, 14690, 16498, 18980, 21316, 26645, 29380, 32996, 41245, 53290, 69277, 82490, 106580, 107237, 138554, 164980, 214474, 277108, 346385, 428948, 536185, 602177, 692770, 1072370, 1204354, 1385540, 2144740, 2408708, 3010885, 6021770, 7828301, 12043540, 15656602, 31313204, 39141505, 78283010, 156566020]

約数ペア:

[(1, 156566020), (2, 78283010), (4, 39141505), (5, 31313204), (10, 15656602), (13, 12043540), (20, 7828301), (26, 6021770), (52, 3010885), (65, 2408708), (73, 2144740), (113, 1385540), (130, 1204354), (146, 1072370), (226, 692770), (260, 602177), (292, 536185), (365, 428948), (452, 346385), (565, 277108), (730, 214474), (949, 164980), (1130, 138554), (1460, 107237), (1469, 106580), (1898, 82490), (2260, 69277), (2938, 53290), (3796, 41245), (4745, 32996), (5329, 29380), (5876, 26645), (7345, 21316), (8249, 18980), (9490, 16498), (10658, 14690)]