840801468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 2259124224

約数和(自身を除く): 1418322756

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 37, 39, 52, 62, 74, 78, 93, 111, 124, 127, 148, 156, 186, 222, 254, 372, 381, 403, 444, 481, 508, 762, 806, 962, 1147, 1209, 1369, 1443, 1524, 1612, 1651, 1924, 2294, 2418, 2738, 2886, 3302, 3441, 3937, 4107, 4588, 4699, 4836, 4953, 5476, 5772, 6604, 6882, 7874, 8214, 9398, 9906, 11811, 13764, 14097, 14911, 15748, 16428, 17797, 18796, 19812, 23622, 28194, 29822, 35594, 42439, 44733, 47244, 51181, 53391, 56388, 59644, 61087, 71188, 84878, 89466, 102362, 106782, 122174, 127317, 145669, 153543, 169756, 173863, 178932, 183261, 204724, 213564, 244348, 254634, 291338, 307086, 347726, 366522, 437007, 509268, 521589, 551707, 582676, 614172, 695452, 733044, 874014, 1043178, 1103414, 1655121, 1748028, 1893697, 2086356, 2206828, 2260219, 3310242, 3787394, 4520438, 5389753, 5681091, 6620484, 6780657, 7574788, 9040876, 10779506, 11362182, 13561314, 16169259, 21559012, 22724364, 27122628, 32338518, 64677036, 70066789, 140133578, 210200367, 280267156, 420400734, 840801468]

約数ペア:

[(1, 840801468), (2, 420400734), (3, 280267156), (4, 210200367), (6, 140133578), (12, 70066789), (13, 64677036), (26, 32338518), (31, 27122628), (37, 22724364), (39, 21559012), (52, 16169259), (62, 13561314), (74, 11362182), (78, 10779506), (93, 9040876), (111, 7574788), (124, 6780657), (127, 6620484), (148, 5681091), (156, 5389753), (186, 4520438), (222, 3787394), (254, 3310242), (372, 2260219), (381, 2206828), (403, 2086356), (444, 1893697), (481, 1748028), (508, 1655121), (762, 1103414), (806, 1043178), (962, 874014), (1147, 733044), (1209, 695452), (1369, 614172), (1443, 582676), (1524, 551707), (1612, 521589), (1651, 509268), (1924, 437007), (2294, 366522), (2418, 347726), (2738, 307086), (2886, 291338), (3302, 254634), (3441, 244348), (3937, 213564), (4107, 204724), (4588, 183261), (4699, 178932), (4836, 173863), (4953, 169756), (5476, 153543), (5772, 145669), (6604, 127317), (6882, 122174), (7874, 106782), (8214, 102362), (9398, 89466), (9906, 84878), (11811, 71188), (13764, 61087), (14097, 59644), (14911, 56388), (15748, 53391), (16428, 51181), (17797, 47244), (18796, 44733), (19812, 42439), (23622, 35594), (28194, 29822)]