1280523088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1453}}^1$

素因数の和:1716

約数の個数: 80

約数和(自身を含む): 2827041280

約数和(自身を除く): 1546518192

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 223, 247, 304, 446, 494, 892, 988, 1453, 1784, 1976, 2899, 2906, 3568, 3952, 4237, 5798, 5812, 8474, 11596, 11624, 16948, 18889, 23192, 23248, 27607, 33896, 37778, 46384, 55081, 55214, 67792, 75556, 110162, 110428, 151112, 220324, 220856, 302224, 324019, 358891, 440648, 441712, 648038, 717782, 881296, 1296076, 1435564, 2592152, 2871128, 4212247, 5184304, 5742256, 6156361, 8424494, 12312722, 16848988, 24625444, 33697976, 49250888, 67395952, 80032693, 98501776, 160065386, 320130772, 640261544, 1280523088]

約数ペア:

[(1, 1280523088), (2, 640261544), (4, 320130772), (8, 160065386), (13, 98501776), (16, 80032693), (19, 67395952), (26, 49250888), (38, 33697976), (52, 24625444), (76, 16848988), (104, 12312722), (152, 8424494), (208, 6156361), (223, 5742256), (247, 5184304), (304, 4212247), (446, 2871128), (494, 2592152), (892, 1435564), (988, 1296076), (1453, 881296), (1784, 717782), (1976, 648038), (2899, 441712), (2906, 440648), (3568, 358891), (3952, 324019), (4237, 302224), (5798, 220856), (5812, 220324), (8474, 151112), (11596, 110428), (11624, 110162), (16948, 75556), (18889, 67792), (23192, 55214), (23248, 55081), (27607, 46384), (33896, 37778)]