15642890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 32659200

約数和(自身を除く): 17016310

約数列:

[1, 2, 5, 10, 17, 19, 29, 34, 38, 58, 85, 95, 145, 167, 170, 190, 290, 323, 334, 493, 551, 646, 835, 986, 1102, 1615, 1670, 2465, 2755, 2839, 3173, 3230, 4843, 4930, 5510, 5678, 6346, 9367, 9686, 14195, 15865, 18734, 24215, 28390, 31730, 46835, 48430, 53941, 82331, 92017, 93670, 107882, 164662, 184034, 269705, 411655, 460085, 539410, 823310, 920170, 1564289, 3128578, 7821445, 15642890]

約数ペア:

[(1, 15642890), (2, 7821445), (5, 3128578), (10, 1564289), (17, 920170), (19, 823310), (29, 539410), (34, 460085), (38, 411655), (58, 269705), (85, 184034), (95, 164662), (145, 107882), (167, 93670), (170, 92017), (190, 82331), (290, 53941), (323, 48430), (334, 46835), (493, 31730), (551, 28390), (646, 24215), (835, 18734), (986, 15865), (1102, 14195), (1615, 9686), (1670, 9367), (2465, 6346), (2755, 5678), (2839, 5510), (3173, 4930), (3230, 4843)]