255186540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{202529}}^1$

素因数の和:202551

約数の個数: 72

約数和(自身を含む): 884651040

約数和(自身を除く): 629464500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 202529, 405058, 607587, 810116, 1012645, 1215174, 1417703, 1822761, 2025290, 2430348, 2835406, 3037935, 3645522, 4050580, 4253109, 5670812, 6075870, 7088515, 7291044, 8506218, 9113805, 12151740, 12759327, 14177030, 17012436, 18227610, 21265545, 25518654, 28354060, 36455220, 42531090, 51037308, 63796635, 85062180, 127593270, 255186540]

約数ペア:

[(1, 255186540), (2, 127593270), (3, 85062180), (4, 63796635), (5, 51037308), (6, 42531090), (7, 36455220), (9, 28354060), (10, 25518654), (12, 21265545), (14, 18227610), (15, 17012436), (18, 14177030), (20, 12759327), (21, 12151740), (28, 9113805), (30, 8506218), (35, 7291044), (36, 7088515), (42, 6075870), (45, 5670812), (60, 4253109), (63, 4050580), (70, 3645522), (84, 3037935), (90, 2835406), (105, 2430348), (126, 2025290), (140, 1822761), (180, 1417703), (210, 1215174), (252, 1012645), (315, 810116), (420, 607587), (630, 405058), (1260, 202529)]