129331280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3361}}^1$

素因数の和:3424

約数の個数: 80

約数和(自身を含む): 332676624

約数和(自身を除く): 203345344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3361, 3848, 4810, 6722, 7696, 9620, 13444, 16805, 19240, 26888, 33610, 38480, 43693, 53776, 67220, 87386, 124357, 134440, 174772, 218465, 248714, 268880, 349544, 436930, 497428, 621785, 699088, 873860, 994856, 1243570, 1616641, 1747720, 1989712, 2487140, 3233282, 3495440, 4974280, 6466564, 8083205, 9948560, 12933128, 16166410, 25866256, 32332820, 64665640, 129331280]

約数ペア:

[(1, 129331280), (2, 64665640), (4, 32332820), (5, 25866256), (8, 16166410), (10, 12933128), (13, 9948560), (16, 8083205), (20, 6466564), (26, 4974280), (37, 3495440), (40, 3233282), (52, 2487140), (65, 1989712), (74, 1747720), (80, 1616641), (104, 1243570), (130, 994856), (148, 873860), (185, 699088), (208, 621785), (260, 497428), (296, 436930), (370, 349544), (481, 268880), (520, 248714), (592, 218465), (740, 174772), (962, 134440), (1040, 124357), (1480, 87386), (1924, 67220), (2405, 53776), (2960, 43693), (3361, 38480), (3848, 33610), (4810, 26888), (6722, 19240), (7696, 16805), (9620, 13444)]