77989380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:714

約数の個数: 144

約数和(自身を含む): 260620416

約数和(自身を除く): 182631036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 287, 294, 410, 420, 490, 492, 574, 588, 615, 647, 735, 820, 861, 980, 1148, 1230, 1294, 1435, 1470, 1722, 1941, 2009, 2460, 2588, 2870, 2940, 3235, 3444, 3882, 4018, 4305, 4529, 5740, 6027, 6470, 7764, 8036, 8610, 9058, 9705, 10045, 12054, 12940, 13587, 17220, 18116, 19410, 20090, 22645, 24108, 26527, 27174, 30135, 31703, 38820, 40180, 45290, 53054, 54348, 60270, 63406, 67935, 79581, 90580, 95109, 106108, 120540, 126812, 132635, 135870, 158515, 159162, 185689, 190218, 265270, 271740, 317030, 318324, 371378, 380436, 397905, 475545, 530540, 557067, 634060, 742756, 795810, 928445, 951090, 1114134, 1299823, 1591620, 1856890, 1902180, 2228268, 2599646, 2785335, 3713780, 3899469, 5199292, 5570670, 6499115, 7798938, 11141340, 12998230, 15597876, 19497345, 25996460, 38994690, 77989380]

約数ペア:

[(1, 77989380), (2, 38994690), (3, 25996460), (4, 19497345), (5, 15597876), (6, 12998230), (7, 11141340), (10, 7798938), (12, 6499115), (14, 5570670), (15, 5199292), (20, 3899469), (21, 3713780), (28, 2785335), (30, 2599646), (35, 2228268), (41, 1902180), (42, 1856890), (49, 1591620), (60, 1299823), (70, 1114134), (82, 951090), (84, 928445), (98, 795810), (105, 742756), (123, 634060), (140, 557067), (147, 530540), (164, 475545), (196, 397905), (205, 380436), (210, 371378), (245, 318324), (246, 317030), (287, 271740), (294, 265270), (410, 190218), (420, 185689), (490, 159162), (492, 158515), (574, 135870), (588, 132635), (615, 126812), (647, 120540), (735, 106108), (820, 95109), (861, 90580), (980, 79581), (1148, 67935), (1230, 63406), (1294, 60270), (1435, 54348), (1470, 53054), (1722, 45290), (1941, 40180), (2009, 38820), (2460, 31703), (2588, 30135), (2870, 27174), (2940, 26527), (3235, 24108), (3444, 22645), (3882, 20090), (4018, 19410), (4305, 18116), (4529, 17220), (5740, 13587), (6027, 12940), (6470, 12054), (7764, 10045), (8036, 9705), (8610, 9058)]