72770280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1901}}^1$

素因数の和:1955

約数の個数: 128

約数和(自身を含む): 246499200

約数和(自身を除く): 173728920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 87, 88, 110, 116, 120, 132, 145, 165, 174, 220, 232, 264, 290, 319, 330, 348, 435, 440, 580, 638, 660, 696, 870, 957, 1160, 1276, 1320, 1595, 1740, 1901, 1914, 2552, 3190, 3480, 3802, 3828, 4785, 5703, 6380, 7604, 7656, 9505, 9570, 11406, 12760, 15208, 19010, 19140, 20911, 22812, 28515, 38020, 38280, 41822, 45624, 55129, 57030, 62733, 76040, 83644, 104555, 110258, 114060, 125466, 165387, 167288, 209110, 220516, 228120, 250932, 275645, 313665, 330774, 418220, 441032, 501864, 551290, 606419, 627330, 661548, 826935, 836440, 1102580, 1212838, 1254660, 1323096, 1653870, 1819257, 2205160, 2425676, 2509320, 3032095, 3307740, 3638514, 4851352, 6064190, 6615480, 7277028, 9096285, 12128380, 14554056, 18192570, 24256760, 36385140, 72770280]

約数ペア:

[(1, 72770280), (2, 36385140), (3, 24256760), (4, 18192570), (5, 14554056), (6, 12128380), (8, 9096285), (10, 7277028), (11, 6615480), (12, 6064190), (15, 4851352), (20, 3638514), (22, 3307740), (24, 3032095), (29, 2509320), (30, 2425676), (33, 2205160), (40, 1819257), (44, 1653870), (55, 1323096), (58, 1254660), (60, 1212838), (66, 1102580), (87, 836440), (88, 826935), (110, 661548), (116, 627330), (120, 606419), (132, 551290), (145, 501864), (165, 441032), (174, 418220), (220, 330774), (232, 313665), (264, 275645), (290, 250932), (319, 228120), (330, 220516), (348, 209110), (435, 167288), (440, 165387), (580, 125466), (638, 114060), (660, 110258), (696, 104555), (870, 83644), (957, 76040), (1160, 62733), (1276, 57030), (1320, 55129), (1595, 45624), (1740, 41822), (1901, 38280), (1914, 38020), (2552, 28515), (3190, 22812), (3480, 20911), (3802, 19140), (3828, 19010), (4785, 15208), (5703, 12760), (6380, 11406), (7604, 9570), (7656, 9505)]