8378640

素因数分解:

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

素因数の和:459

約数の個数: 120

約数和(自身を含む): 29248128

約数和(自身を除く): 20869488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 431, 432, 486, 540, 648, 720, 810, 862, 972, 1080, 1215, 1293, 1296, 1620, 1724, 1944, 2155, 2160, 2430, 2586, 3240, 3448, 3879, 3888, 4310, 4860, 5172, 6465, 6480, 6896, 7758, 8620, 9720, 10344, 11637, 12930, 15516, 17240, 19395, 19440, 20688, 23274, 25860, 31032, 34480, 34911, 38790, 46548, 51720, 58185, 62064, 69822, 77580, 93096, 103440, 104733, 116370, 139644, 155160, 174555, 186192, 209466, 232740, 279288, 310320, 349110, 418932, 465480, 523665, 558576, 698220, 837864, 930960, 1047330, 1396440, 1675728, 2094660, 2792880, 4189320, 8378640]

約数ペア:

[(1, 8378640), (2, 4189320), (3, 2792880), (4, 2094660), (5, 1675728), (6, 1396440), (8, 1047330), (9, 930960), (10, 837864), (12, 698220), (15, 558576), (16, 523665), (18, 465480), (20, 418932), (24, 349110), (27, 310320), (30, 279288), (36, 232740), (40, 209466), (45, 186192), (48, 174555), (54, 155160), (60, 139644), (72, 116370), (80, 104733), (81, 103440), (90, 93096), (108, 77580), (120, 69822), (135, 62064), (144, 58185), (162, 51720), (180, 46548), (216, 38790), (240, 34911), (243, 34480), (270, 31032), (324, 25860), (360, 23274), (405, 20688), (431, 19440), (432, 19395), (486, 17240), (540, 15516), (648, 12930), (720, 11637), (810, 10344), (862, 9720), (972, 8620), (1080, 7758), (1215, 6896), (1293, 6480), (1296, 6465), (1620, 5172), (1724, 4860), (1944, 4310), (2155, 3888), (2160, 3879), (2430, 3448), (2586, 3240)]