1390974960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{186959}}^1$

素因数の和:187006

約数の個数: 80

約数和(自身を含む): 4451143680

約数和(自身を除く): 3060168720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 186959, 373918, 560877, 747836, 934795, 1121754, 1495672, 1869590, 2243508, 2804385, 2991344, 3739180, 4487016, 5608770, 5795729, 7478360, 8974032, 11217540, 11591458, 14956720, 17387187, 22435080, 23182916, 28978645, 34774374, 44870160, 46365832, 57957290, 69548748, 86935935, 92731664, 115914580, 139097496, 173871870, 231829160, 278194992, 347743740, 463658320, 695487480, 1390974960]

約数ペア:

[(1, 1390974960), (2, 695487480), (3, 463658320), (4, 347743740), (5, 278194992), (6, 231829160), (8, 173871870), (10, 139097496), (12, 115914580), (15, 92731664), (16, 86935935), (20, 69548748), (24, 57957290), (30, 46365832), (31, 44870160), (40, 34774374), (48, 28978645), (60, 23182916), (62, 22435080), (80, 17387187), (93, 14956720), (120, 11591458), (124, 11217540), (155, 8974032), (186, 7478360), (240, 5795729), (248, 5608770), (310, 4487016), (372, 3739180), (465, 2991344), (496, 2804385), (620, 2243508), (744, 1869590), (930, 1495672), (1240, 1121754), (1488, 934795), (1860, 747836), (2480, 560877), (3720, 373918), (7440, 186959)]