20211196140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{131}}^2\times {\mathrm{727}}^1$

素因数の和:1010

約数の個数: 180

約数和(自身を含む): 63978842928

約数和(自身を除く): 43767646788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 131, 135, 162, 180, 262, 270, 324, 393, 405, 524, 540, 655, 727, 786, 810, 1179, 1310, 1454, 1572, 1620, 1965, 2181, 2358, 2620, 2908, 3537, 3635, 3930, 4362, 4716, 5895, 6543, 7074, 7270, 7860, 8724, 10611, 10905, 11790, 13086, 14148, 14540, 17161, 17685, 19629, 21222, 21810, 23580, 26172, 32715, 34322, 35370, 39258, 42444, 43620, 51483, 53055, 58887, 65430, 68644, 70740, 78516, 85805, 95237, 98145, 102966, 106110, 117774, 130860, 154449, 171610, 190474, 196290, 205932, 212220, 235548, 257415, 285711, 294435, 308898, 343220, 380948, 392580, 463347, 476185, 514830, 571422, 588870, 617796, 772245, 857133, 926694, 952370, 1029660, 1142844, 1177740, 1390041, 1428555, 1544490, 1714266, 1853388, 1904740, 2316735, 2571399, 2780082, 2857110, 3088980, 3428532, 4285665, 4633470, 5142798, 5560164, 5714220, 6950205, 7714197, 8571330, 9266940, 10285596, 12476047, 12856995, 13900410, 15428394, 17142660, 24952094, 25713990, 27800820, 30856788, 37428141, 38570985, 49904188, 51427980, 62380235, 74856282, 77141970, 112284423, 124760470, 149712564, 154283940, 187140705, 224568846, 249520940, 336853269, 374281410, 449137692, 561422115, 673706538, 748562820, 1010559807, 1122844230, 1347413076, 1684266345, 2021119614, 2245688460, 3368532690, 4042239228, 5052799035, 6737065380, 10105598070, 20211196140]

約数ペア:

[(1, 20211196140), (2, 10105598070), (3, 6737065380), (4, 5052799035), (5, 4042239228), (6, 3368532690), (9, 2245688460), (10, 2021119614), (12, 1684266345), (15, 1347413076), (18, 1122844230), (20, 1010559807), (27, 748562820), (30, 673706538), (36, 561422115), (45, 449137692), (54, 374281410), (60, 336853269), (81, 249520940), (90, 224568846), (108, 187140705), (131, 154283940), (135, 149712564), (162, 124760470), (180, 112284423), (262, 77141970), (270, 74856282), (324, 62380235), (393, 51427980), (405, 49904188), (524, 38570985), (540, 37428141), (655, 30856788), (727, 27800820), (786, 25713990), (810, 24952094), (1179, 17142660), (1310, 15428394), (1454, 13900410), (1572, 12856995), (1620, 12476047), (1965, 10285596), (2181, 9266940), (2358, 8571330), (2620, 7714197), (2908, 6950205), (3537, 5714220), (3635, 5560164), (3930, 5142798), (4362, 4633470), (4716, 4285665), (5895, 3428532), (6543, 3088980), (7074, 2857110), (7270, 2780082), (7860, 2571399), (8724, 2316735), (10611, 1904740), (10905, 1853388), (11790, 1714266), (13086, 1544490), (14148, 1428555), (14540, 1390041), (17161, 1177740), (17685, 1142844), (19629, 1029660), (21222, 952370), (21810, 926694), (23580, 857133), (26172, 772245), (32715, 617796), (34322, 588870), (35370, 571422), (39258, 514830), (42444, 476185), (43620, 463347), (51483, 392580), (53055, 380948), (58887, 343220), (65430, 308898), (68644, 294435), (70740, 285711), (78516, 257415), (85805, 235548), (95237, 212220), (98145, 205932), (102966, 196290), (106110, 190474), (117774, 171610), (130860, 154449)]