81403530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4441}}^1$

素因数の和:4511

約数の個数: 64

約数和(自身を含む): 214921728

約数和(自身を除く): 133518198

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 130, 141, 195, 235, 282, 390, 470, 611, 705, 1222, 1410, 1833, 3055, 3666, 4441, 6110, 8882, 9165, 13323, 18330, 22205, 26646, 44410, 57733, 66615, 115466, 133230, 173199, 208727, 288665, 346398, 417454, 577330, 626181, 865995, 1043635, 1252362, 1731990, 2087270, 2713451, 3130905, 5426902, 6261810, 8140353, 13567255, 16280706, 27134510, 40701765, 81403530]

約数ペア:

[(1, 81403530), (2, 40701765), (3, 27134510), (5, 16280706), (6, 13567255), (10, 8140353), (13, 6261810), (15, 5426902), (26, 3130905), (30, 2713451), (39, 2087270), (47, 1731990), (65, 1252362), (78, 1043635), (94, 865995), (130, 626181), (141, 577330), (195, 417454), (235, 346398), (282, 288665), (390, 208727), (470, 173199), (611, 133230), (705, 115466), (1222, 66615), (1410, 57733), (1833, 44410), (3055, 26646), (3666, 22205), (4441, 18330), (6110, 13323), (8882, 9165)]