204020880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{121441}}^1$

素因数の和:121464

約数の個数: 80

約数和(自身を含む): 722822784

約数和(自身を除く): 518801904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 121441, 242882, 364323, 485764, 607205, 728646, 850087, 971528, 1214410, 1457292, 1700174, 1821615, 1943056, 2428820, 2550261, 2914584, 3400348, 3643230, 4250435, 4857640, 5100522, 5829168, 6800696, 7286460, 8500870, 9715280, 10201044, 12751305, 13601392, 14572920, 17001740, 20402088, 25502610, 29145840, 34003480, 40804176, 51005220, 68006960, 102010440, 204020880]

約数ペア:

[(1, 204020880), (2, 102010440), (3, 68006960), (4, 51005220), (5, 40804176), (6, 34003480), (7, 29145840), (8, 25502610), (10, 20402088), (12, 17001740), (14, 14572920), (15, 13601392), (16, 12751305), (20, 10201044), (21, 9715280), (24, 8500870), (28, 7286460), (30, 6800696), (35, 5829168), (40, 5100522), (42, 4857640), (48, 4250435), (56, 3643230), (60, 3400348), (70, 2914584), (80, 2550261), (84, 2428820), (105, 1943056), (112, 1821615), (120, 1700174), (140, 1457292), (168, 1214410), (210, 971528), (240, 850087), (280, 728646), (336, 607205), (420, 485764), (560, 364323), (840, 242882), (1680, 121441)]