68621540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 169344000

約数和(自身を除く): 100722460

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 29, 38, 52, 58, 65, 76, 95, 116, 130, 145, 190, 247, 260, 290, 377, 380, 479, 494, 551, 580, 754, 958, 988, 1102, 1235, 1508, 1885, 1916, 2204, 2395, 2470, 2755, 3770, 4790, 4940, 5510, 6227, 7163, 7540, 9101, 9580, 11020, 12454, 13891, 14326, 18202, 24908, 27782, 28652, 31135, 35815, 36404, 45505, 55564, 62270, 69455, 71630, 91010, 118313, 124540, 138910, 143260, 180583, 182020, 236626, 263929, 277820, 361166, 473252, 527858, 591565, 722332, 902915, 1055716, 1183130, 1319645, 1805830, 2366260, 2639290, 3431077, 3611660, 5278580, 6862154, 13724308, 17155385, 34310770, 68621540]

約数ペア:

[(1, 68621540), (2, 34310770), (4, 17155385), (5, 13724308), (10, 6862154), (13, 5278580), (19, 3611660), (20, 3431077), (26, 2639290), (29, 2366260), (38, 1805830), (52, 1319645), (58, 1183130), (65, 1055716), (76, 902915), (95, 722332), (116, 591565), (130, 527858), (145, 473252), (190, 361166), (247, 277820), (260, 263929), (290, 236626), (377, 182020), (380, 180583), (479, 143260), (494, 138910), (551, 124540), (580, 118313), (754, 91010), (958, 71630), (988, 69455), (1102, 62270), (1235, 55564), (1508, 45505), (1885, 36404), (1916, 35815), (2204, 31135), (2395, 28652), (2470, 27782), (2755, 24908), (3770, 18202), (4790, 14326), (4940, 13891), (5510, 12454), (6227, 11020), (7163, 9580), (7540, 9101)]