204900720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:303

約数の個数: 160

約数和(自身を含む): 655672320

約数和(自身を除く): 450771600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 101, 107, 120, 158, 202, 214, 237, 240, 303, 316, 321, 395, 404, 428, 474, 505, 535, 606, 632, 642, 790, 808, 856, 948, 1010, 1070, 1185, 1212, 1264, 1284, 1515, 1580, 1605, 1616, 1712, 1896, 2020, 2140, 2370, 2424, 2568, 3030, 3160, 3210, 3792, 4040, 4280, 4740, 4848, 5136, 6060, 6320, 6420, 7979, 8080, 8453, 8560, 9480, 10807, 12120, 12840, 15958, 16906, 18960, 21614, 23937, 24240, 25359, 25680, 31916, 32421, 33812, 39895, 42265, 43228, 47874, 50718, 54035, 63832, 64842, 67624, 79790, 84530, 86456, 95748, 101436, 108070, 119685, 126795, 127664, 129684, 135248, 159580, 162105, 169060, 172912, 191496, 202872, 216140, 239370, 253590, 259368, 319160, 324210, 338120, 382992, 405744, 432280, 478740, 507180, 518736, 638320, 648420, 676240, 853753, 864560, 957480, 1014360, 1296840, 1707506, 1914960, 2028720, 2561259, 2593680, 3415012, 4268765, 5122518, 6830024, 8537530, 10245036, 12806295, 13660048, 17075060, 20490072, 25612590, 34150120, 40980144, 51225180, 68300240, 102450360, 204900720]

約数ペア:

[(1, 204900720), (2, 102450360), (3, 68300240), (4, 51225180), (5, 40980144), (6, 34150120), (8, 25612590), (10, 20490072), (12, 17075060), (15, 13660048), (16, 12806295), (20, 10245036), (24, 8537530), (30, 6830024), (40, 5122518), (48, 4268765), (60, 3415012), (79, 2593680), (80, 2561259), (101, 2028720), (107, 1914960), (120, 1707506), (158, 1296840), (202, 1014360), (214, 957480), (237, 864560), (240, 853753), (303, 676240), (316, 648420), (321, 638320), (395, 518736), (404, 507180), (428, 478740), (474, 432280), (505, 405744), (535, 382992), (606, 338120), (632, 324210), (642, 319160), (790, 259368), (808, 253590), (856, 239370), (948, 216140), (1010, 202872), (1070, 191496), (1185, 172912), (1212, 169060), (1264, 162105), (1284, 159580), (1515, 135248), (1580, 129684), (1605, 127664), (1616, 126795), (1712, 119685), (1896, 108070), (2020, 101436), (2140, 95748), (2370, 86456), (2424, 84530), (2568, 79790), (3030, 67624), (3160, 64842), (3210, 63832), (3792, 54035), (4040, 50718), (4280, 47874), (4740, 43228), (4848, 42265), (5136, 39895), (6060, 33812), (6320, 32421), (6420, 31916), (7979, 25680), (8080, 25359), (8453, 24240), (8560, 23937), (9480, 21614), (10807, 18960), (12120, 16906), (12840, 15958)]