380618280

素因数分解:

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

素因数の和:21608

約数の個数: 144

約数和(自身を含む): 1439036820

約数和(自身を除く): 1058418540

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 21577, 43154, 64731, 86308, 107885, 129462, 151039, 172616, 194193, 215770, 258924, 302078, 323655, 388386, 431540, 453117, 517848, 604156, 647310, 755195, 776772, 863080, 906234, 970965, 1057273, 1208312, 1294620, 1359351, 1510390, 1553544, 1812468, 1941930, 2114546, 2265585, 2589240, 2718702, 3020780, 3171819, 3624936, 3883860, 4229092, 4531170, 5286365, 5437404, 6041560, 6343638, 6796755, 7767720, 8458184, 9062340, 9515457, 10572730, 10874808, 12687276, 13593510, 15859095, 18124680, 19030914, 21145460, 25374552, 27187020, 31718190, 38061828, 42290920, 47577285, 54374040, 63436380, 76123656, 95154570, 126872760, 190309140, 380618280]

約数ペア:

[(1, 380618280), (2, 190309140), (3, 126872760), (4, 95154570), (5, 76123656), (6, 63436380), (7, 54374040), (8, 47577285), (9, 42290920), (10, 38061828), (12, 31718190), (14, 27187020), (15, 25374552), (18, 21145460), (20, 19030914), (21, 18124680), (24, 15859095), (28, 13593510), (30, 12687276), (35, 10874808), (36, 10572730), (40, 9515457), (42, 9062340), (45, 8458184), (49, 7767720), (56, 6796755), (60, 6343638), (63, 6041560), (70, 5437404), (72, 5286365), (84, 4531170), (90, 4229092), (98, 3883860), (105, 3624936), (120, 3171819), (126, 3020780), (140, 2718702), (147, 2589240), (168, 2265585), (180, 2114546), (196, 1941930), (210, 1812468), (245, 1553544), (252, 1510390), (280, 1359351), (294, 1294620), (315, 1208312), (360, 1057273), (392, 970965), (420, 906234), (441, 863080), (490, 776772), (504, 755195), (588, 647310), (630, 604156), (735, 517848), (840, 453117), (882, 431540), (980, 388386), (1176, 323655), (1260, 302078), (1470, 258924), (1764, 215770), (1960, 194193), (2205, 172616), (2520, 151039), (2940, 129462), (3528, 107885), (4410, 86308), (5880, 64731), (8820, 43154), (17640, 21577)]