2818556720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{39631}}^1$

素因数の和:39778

約数の個数: 80

約数和(自身を含む): 7548469248

約数和(自身を除く): 4729912528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2540, 3556, 4445, 5080, 7112, 8890, 10160, 14224, 17780, 35560, 39631, 71120, 79262, 158524, 198155, 277417, 317048, 396310, 554834, 634096, 792620, 1109668, 1387085, 1585240, 2219336, 2774170, 3170480, 4438672, 5033137, 5548340, 10066274, 11096680, 20132548, 22193360, 25165685, 35231959, 40265096, 50331370, 70463918, 80530192, 100662740, 140927836, 176159795, 201325480, 281855672, 352319590, 402650960, 563711344, 704639180, 1409278360, 2818556720]

約数ペア:

[(1, 2818556720), (2, 1409278360), (4, 704639180), (5, 563711344), (7, 402650960), (8, 352319590), (10, 281855672), (14, 201325480), (16, 176159795), (20, 140927836), (28, 100662740), (35, 80530192), (40, 70463918), (56, 50331370), (70, 40265096), (80, 35231959), (112, 25165685), (127, 22193360), (140, 20132548), (254, 11096680), (280, 10066274), (508, 5548340), (560, 5033137), (635, 4438672), (889, 3170480), (1016, 2774170), (1270, 2219336), (1778, 1585240), (2032, 1387085), (2540, 1109668), (3556, 792620), (4445, 634096), (5080, 554834), (7112, 396310), (8890, 317048), (10160, 277417), (14224, 198155), (17780, 158524), (35560, 79262), (39631, 71120)]