1640269072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1511}}^1$

素因数の和:1856

約数の個数: 80

約数和(自身を含む): 3638017152

約数和(自身を除く): 1997748080

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 307, 442, 614, 884, 1228, 1511, 1768, 2456, 3022, 3536, 3991, 4912, 5219, 6044, 7982, 10438, 12088, 15964, 19643, 20876, 24176, 25687, 31928, 39286, 41752, 51374, 63856, 67847, 78572, 83504, 102748, 135694, 157144, 205496, 271388, 314288, 333931, 410992, 463877, 542776, 667862, 927754, 1085552, 1335724, 1855508, 2671448, 3711016, 5342896, 6030401, 7422032, 7885909, 12060802, 15771818, 24121604, 31543636, 48243208, 63087272, 96486416, 102516817, 126174544, 205033634, 410067268, 820134536, 1640269072]

約数ペア:

[(1, 1640269072), (2, 820134536), (4, 410067268), (8, 205033634), (13, 126174544), (16, 102516817), (17, 96486416), (26, 63087272), (34, 48243208), (52, 31543636), (68, 24121604), (104, 15771818), (136, 12060802), (208, 7885909), (221, 7422032), (272, 6030401), (307, 5342896), (442, 3711016), (614, 2671448), (884, 1855508), (1228, 1335724), (1511, 1085552), (1768, 927754), (2456, 667862), (3022, 542776), (3536, 463877), (3991, 410992), (4912, 333931), (5219, 314288), (6044, 271388), (7982, 205496), (10438, 157144), (12088, 135694), (15964, 102748), (19643, 83504), (20876, 78572), (24176, 67847), (25687, 63856), (31928, 51374), (39286, 41752)]