1255484780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{769}}^1$

素因数の和:1011

約数の個数: 96

約数和(自身を含む): 2966483520

約数和(自身を除く): 1710998740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 181, 205, 220, 362, 410, 451, 724, 769, 820, 902, 905, 1538, 1804, 1810, 1991, 2255, 3076, 3620, 3845, 3982, 4510, 7421, 7690, 7964, 8459, 9020, 9955, 14842, 15380, 16918, 19910, 29684, 31529, 33836, 37105, 39820, 42295, 63058, 74210, 81631, 84590, 126116, 139189, 148420, 157645, 163262, 169180, 278378, 315290, 326524, 346819, 408155, 556756, 630580, 693638, 695945, 816310, 1387276, 1391890, 1531079, 1632620, 1734095, 2783780, 3062158, 3468190, 5706749, 6124316, 6936380, 7655395, 11413498, 15310790, 22826996, 28533745, 30621580, 57067490, 62774239, 114134980, 125548478, 251096956, 313871195, 627742390, 1255484780]

約数ペア:

[(1, 1255484780), (2, 627742390), (4, 313871195), (5, 251096956), (10, 125548478), (11, 114134980), (20, 62774239), (22, 57067490), (41, 30621580), (44, 28533745), (55, 22826996), (82, 15310790), (110, 11413498), (164, 7655395), (181, 6936380), (205, 6124316), (220, 5706749), (362, 3468190), (410, 3062158), (451, 2783780), (724, 1734095), (769, 1632620), (820, 1531079), (902, 1391890), (905, 1387276), (1538, 816310), (1804, 695945), (1810, 693638), (1991, 630580), (2255, 556756), (3076, 408155), (3620, 346819), (3845, 326524), (3982, 315290), (4510, 278378), (7421, 169180), (7690, 163262), (7964, 157645), (8459, 148420), (9020, 139189), (9955, 126116), (14842, 84590), (15380, 81631), (16918, 74210), (19910, 63058), (29684, 42295), (31529, 39820), (33836, 37105)]