81013530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 229525920

約数和(自身を除く): 148512390

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 29, 30, 38, 39, 57, 58, 65, 78, 87, 95, 114, 130, 145, 169, 174, 190, 195, 247, 285, 290, 338, 377, 390, 435, 494, 507, 551, 570, 741, 754, 841, 845, 870, 1014, 1102, 1131, 1235, 1482, 1653, 1682, 1690, 1885, 2262, 2470, 2523, 2535, 2755, 3211, 3306, 3705, 3770, 4205, 4901, 5046, 5070, 5510, 5655, 6422, 7163, 7410, 8265, 8410, 9633, 9802, 10933, 11310, 12615, 14326, 14703, 15979, 16055, 16530, 19266, 21489, 21866, 24505, 25230, 29406, 31958, 32110, 32799, 35815, 42978, 47937, 48165, 49010, 54665, 65598, 71630, 73515, 79895, 93119, 95874, 96330, 107445, 109330, 142129, 147030, 159790, 163995, 186238, 207727, 214890, 239685, 279357, 284258, 327990, 415454, 426387, 465595, 479370, 558714, 623181, 710645, 852774, 931190, 1038635, 1246362, 1396785, 1421290, 2077270, 2131935, 2700451, 2793570, 3115905, 4263870, 5400902, 6231810, 8101353, 13502255, 16202706, 27004510, 40506765, 81013530]

約数ペア:

[(1, 81013530), (2, 40506765), (3, 27004510), (5, 16202706), (6, 13502255), (10, 8101353), (13, 6231810), (15, 5400902), (19, 4263870), (26, 3115905), (29, 2793570), (30, 2700451), (38, 2131935), (39, 2077270), (57, 1421290), (58, 1396785), (65, 1246362), (78, 1038635), (87, 931190), (95, 852774), (114, 710645), (130, 623181), (145, 558714), (169, 479370), (174, 465595), (190, 426387), (195, 415454), (247, 327990), (285, 284258), (290, 279357), (338, 239685), (377, 214890), (390, 207727), (435, 186238), (494, 163995), (507, 159790), (551, 147030), (570, 142129), (741, 109330), (754, 107445), (841, 96330), (845, 95874), (870, 93119), (1014, 79895), (1102, 73515), (1131, 71630), (1235, 65598), (1482, 54665), (1653, 49010), (1682, 48165), (1690, 47937), (1885, 42978), (2262, 35815), (2470, 32799), (2523, 32110), (2535, 31958), (2755, 29406), (3211, 25230), (3306, 24505), (3705, 21866), (3770, 21489), (4205, 19266), (4901, 16530), (5046, 16055), (5070, 15979), (5510, 14703), (5655, 14326), (6422, 12615), (7163, 11310), (7410, 10933), (8265, 9802), (8410, 9633)]