90783420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1279}}^1$

素因数の和:1324

約数の個数: 144

約数和(自身を含む): 314818560

約数和(自身を除く): 224035140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1014, 1092, 1183, 1279, 1365, 1690, 1820, 2028, 2366, 2535, 2558, 2730, 3380, 3549, 3837, 4732, 5070, 5116, 5460, 5915, 6395, 7098, 7674, 8953, 10140, 11830, 12790, 14196, 15348, 16627, 17745, 17906, 19185, 23660, 25580, 26859, 33254, 35490, 35812, 38370, 44765, 49881, 53718, 66508, 70980, 76740, 83135, 89530, 99762, 107436, 116389, 134295, 166270, 179060, 199524, 216151, 232778, 249405, 268590, 332540, 349167, 432302, 465556, 498810, 537180, 581945, 648453, 698334, 864604, 997620, 1080755, 1163890, 1296906, 1396668, 1513057, 1745835, 2161510, 2327780, 2593812, 3026114, 3242265, 3491670, 4323020, 4539171, 6052228, 6484530, 6983340, 7565285, 9078342, 12969060, 15130570, 18156684, 22695855, 30261140, 45391710, 90783420]

約数ペア:

[(1, 90783420), (2, 45391710), (3, 30261140), (4, 22695855), (5, 18156684), (6, 15130570), (7, 12969060), (10, 9078342), (12, 7565285), (13, 6983340), (14, 6484530), (15, 6052228), (20, 4539171), (21, 4323020), (26, 3491670), (28, 3242265), (30, 3026114), (35, 2593812), (39, 2327780), (42, 2161510), (52, 1745835), (60, 1513057), (65, 1396668), (70, 1296906), (78, 1163890), (84, 1080755), (91, 997620), (105, 864604), (130, 698334), (140, 648453), (156, 581945), (169, 537180), (182, 498810), (195, 465556), (210, 432302), (260, 349167), (273, 332540), (338, 268590), (364, 249405), (390, 232778), (420, 216151), (455, 199524), (507, 179060), (546, 166270), (676, 134295), (780, 116389), (845, 107436), (910, 99762), (1014, 89530), (1092, 83135), (1183, 76740), (1279, 70980), (1365, 66508), (1690, 53718), (1820, 49881), (2028, 44765), (2366, 38370), (2535, 35812), (2558, 35490), (2730, 33254), (3380, 26859), (3549, 25580), (3837, 23660), (4732, 19185), (5070, 17906), (5116, 17745), (5460, 16627), (5915, 15348), (6395, 14196), (7098, 12790), (7674, 11830), (8953, 10140)]