68888880

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{10631}}^1$

素因数の和:10656

約数の個数: 100

約数和(自身を含む): 239283792

約数和(自身を除く): 170394912

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, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 10631, 21262, 31893, 42524, 53155, 63786, 85048, 95679, 106310, 127572, 159465, 170096, 191358, 212620, 255144, 287037, 318930, 382716, 425240, 478395, 510288, 574074, 637860, 765432, 850480, 861111, 956790, 1148148, 1275720, 1435185, 1530864, 1722222, 1913580, 2296296, 2551440, 2870370, 3444444, 3827160, 4305555, 4592592, 5740740, 6888888, 7654320, 8611110, 11481480, 13777776, 17222220, 22962960, 34444440, 68888880]

約数ペア:

[(1, 68888880), (2, 34444440), (3, 22962960), (4, 17222220), (5, 13777776), (6, 11481480), (8, 8611110), (9, 7654320), (10, 6888888), (12, 5740740), (15, 4592592), (16, 4305555), (18, 3827160), (20, 3444444), (24, 2870370), (27, 2551440), (30, 2296296), (36, 1913580), (40, 1722222), (45, 1530864), (48, 1435185), (54, 1275720), (60, 1148148), (72, 956790), (80, 861111), (81, 850480), (90, 765432), (108, 637860), (120, 574074), (135, 510288), (144, 478395), (162, 425240), (180, 382716), (216, 318930), (240, 287037), (270, 255144), (324, 212620), (360, 191358), (405, 170096), (432, 159465), (540, 127572), (648, 106310), (720, 95679), (810, 85048), (1080, 63786), (1296, 53155), (1620, 42524), (2160, 31893), (3240, 21262), (6480, 10631)]