1396440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{431}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 4704480

約数和(自身を除く): 3308040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 431, 540, 648, 810, 862, 1080, 1293, 1620, 1724, 2155, 2586, 3240, 3448, 3879, 4310, 5172, 6465, 7758, 8620, 10344, 11637, 12930, 15516, 17240, 19395, 23274, 25860, 31032, 34911, 38790, 46548, 51720, 58185, 69822, 77580, 93096, 116370, 139644, 155160, 174555, 232740, 279288, 349110, 465480, 698220, 1396440]

約数ペア:

[(1, 1396440), (2, 698220), (3, 465480), (4, 349110), (5, 279288), (6, 232740), (8, 174555), (9, 155160), (10, 139644), (12, 116370), (15, 93096), (18, 77580), (20, 69822), (24, 58185), (27, 51720), (30, 46548), (36, 38790), (40, 34911), (45, 31032), (54, 25860), (60, 23274), (72, 19395), (81, 17240), (90, 15516), (108, 12930), (120, 11637), (135, 10344), (162, 8620), (180, 7758), (216, 6465), (270, 5172), (324, 4310), (360, 3879), (405, 3448), (431, 3240), (540, 2586), (648, 2155), (810, 1724), (862, 1620), (1080, 1293)]