253745520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{21577}}^1$

素因数の和:21607

約数の個数: 120

約数和(自身を含む): 915079824

約数和(自身を除く): 661334304

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, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 21577, 43154, 64731, 86308, 107885, 129462, 151039, 172616, 215770, 258924, 302078, 323655, 345232, 431540, 453117, 517848, 604156, 647310, 755195, 863080, 906234, 1035696, 1057273, 1208312, 1294620, 1510390, 1726160, 1812468, 2114546, 2265585, 2416624, 2589240, 3020780, 3171819, 3624936, 4229092, 4531170, 5178480, 5286365, 6041560, 6343638, 7249872, 8458184, 9062340, 10572730, 12083120, 12687276, 15859095, 16916368, 18124680, 21145460, 25374552, 31718190, 36249360, 42290920, 50749104, 63436380, 84581840, 126872760, 253745520]

約数ペア:

[(1, 253745520), (2, 126872760), (3, 84581840), (4, 63436380), (5, 50749104), (6, 42290920), (7, 36249360), (8, 31718190), (10, 25374552), (12, 21145460), (14, 18124680), (15, 16916368), (16, 15859095), (20, 12687276), (21, 12083120), (24, 10572730), (28, 9062340), (30, 8458184), (35, 7249872), (40, 6343638), (42, 6041560), (48, 5286365), (49, 5178480), (56, 4531170), (60, 4229092), (70, 3624936), (80, 3171819), (84, 3020780), (98, 2589240), (105, 2416624), (112, 2265585), (120, 2114546), (140, 1812468), (147, 1726160), (168, 1510390), (196, 1294620), (210, 1208312), (240, 1057273), (245, 1035696), (280, 906234), (294, 863080), (336, 755195), (392, 647310), (420, 604156), (490, 517848), (560, 453117), (588, 431540), (735, 345232), (784, 323655), (840, 302078), (980, 258924), (1176, 215770), (1470, 172616), (1680, 151039), (1960, 129462), (2352, 107885), (2940, 86308), (3920, 64731), (5880, 43154), (11760, 21577)]