19985468580

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{160217}}^1$

素因数の和:160256

約数の個数: 240

約数和(自身を含む): 78165876096

約数和(自身を除く): 58180407516

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 81, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 162, 165, 180, 189, 198, 210, 220, 231, 252, 270, 297, 308, 315, 324, 330, 378, 385, 396, 405, 420, 462, 495, 540, 567, 594, 630, 660, 693, 756, 770, 810, 891, 924, 945, 990, 1134, 1155, 1188, 1260, 1386, 1485, 1540, 1620, 1782, 1890, 1980, 2079, 2268, 2310, 2772, 2835, 2970, 3465, 3564, 3780, 4158, 4455, 4620, 5670, 5940, 6237, 6930, 8316, 8910, 10395, 11340, 12474, 13860, 17820, 20790, 24948, 31185, 41580, 62370, 124740, 160217, 320434, 480651, 640868, 801085, 961302, 1121519, 1441953, 1602170, 1762387, 1922604, 2243038, 2403255, 2883906, 3204340, 3364557, 3524774, 4325859, 4486076, 4806510, 5287161, 5607595, 5767812, 6729114, 7049548, 7209765, 8651718, 8811935, 9613020, 10093671, 10574322, 11215190, 12336709, 12977577, 13458228, 14419530, 15861483, 16822785, 17303436, 17623870, 20187342, 21148644, 21629295, 22430380, 24673418, 25955154, 26435805, 28839060, 30281013, 31722966, 33645570, 35247740, 37010127, 40374684, 43258590, 47584449, 49346836, 50468355, 51910308, 52871610, 60562026, 61683545, 63445932, 64887885, 67291140, 74020254, 79307415, 86517180, 90843039, 95168898, 100936710, 105743220, 111030381, 121124052, 123367090, 129775770, 142753347, 148040508, 151405065, 158614830, 181686078, 185050635, 190337796, 201873420, 222060762, 237922245, 246734180, 259551540, 285506694, 302810130, 317229660, 333091143, 363372156, 370101270, 444121524, 454215195, 475844490, 555151905, 571013388, 605620260, 666182286, 713766735, 740202540, 908430390, 951688980, 999273429, 1110303810, 1332364572, 1427533470, 1665455715, 1816860780, 1998546858, 2220607620, 2855066940, 3330911430, 3997093716, 4996367145, 6661822860, 9992734290, 19985468580]

約数ペア:

[(1, 19985468580), (2, 9992734290), (3, 6661822860), (4, 4996367145), (5, 3997093716), (6, 3330911430), (7, 2855066940), (9, 2220607620), (10, 1998546858), (11, 1816860780), (12, 1665455715), (14, 1427533470), (15, 1332364572), (18, 1110303810), (20, 999273429), (21, 951688980), (22, 908430390), (27, 740202540), (28, 713766735), (30, 666182286), (33, 605620260), (35, 571013388), (36, 555151905), (42, 475844490), (44, 454215195), (45, 444121524), (54, 370101270), (55, 363372156), (60, 333091143), (63, 317229660), (66, 302810130), (70, 285506694), (77, 259551540), (81, 246734180), (84, 237922245), (90, 222060762), (99, 201873420), (105, 190337796), (108, 185050635), (110, 181686078), (126, 158614830), (132, 151405065), (135, 148040508), (140, 142753347), (154, 129775770), (162, 123367090), (165, 121124052), (180, 111030381), (189, 105743220), (198, 100936710), (210, 95168898), (220, 90843039), (231, 86517180), (252, 79307415), (270, 74020254), (297, 67291140), (308, 64887885), (315, 63445932), (324, 61683545), (330, 60562026), (378, 52871610), (385, 51910308), (396, 50468355), (405, 49346836), (420, 47584449), (462, 43258590), (495, 40374684), (540, 37010127), (567, 35247740), (594, 33645570), (630, 31722966), (660, 30281013), (693, 28839060), (756, 26435805), (770, 25955154), (810, 24673418), (891, 22430380), (924, 21629295), (945, 21148644), (990, 20187342), (1134, 17623870), (1155, 17303436), (1188, 16822785), (1260, 15861483), (1386, 14419530), (1485, 13458228), (1540, 12977577), (1620, 12336709), (1782, 11215190), (1890, 10574322), (1980, 10093671), (2079, 9613020), (2268, 8811935), (2310, 8651718), (2772, 7209765), (2835, 7049548), (2970, 6729114), (3465, 5767812), (3564, 5607595), (3780, 5287161), (4158, 4806510), (4455, 4486076), (4620, 4325859), (5670, 3524774), (5940, 3364557), (6237, 3204340), (6930, 2883906), (8316, 2403255), (8910, 2243038), (10395, 1922604), (11340, 1762387), (12474, 1602170), (13860, 1441953), (17820, 1121519), (20790, 961302), (24948, 801085), (31185, 640868), (41580, 480651), (62370, 320434), (124740, 160217)]