208607680

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1302

約数の個数: 112

約数和(自身を含む): 543373056

約数和(自身を除く): 334765376

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 680, 992, 1054, 1088, 1237, 1240, 1360, 1984, 2108, 2474, 2480, 2635, 2720, 4216, 4948, 4960, 5270, 5440, 6185, 8432, 9896, 9920, 10540, 12370, 16864, 19792, 21029, 21080, 24740, 33728, 38347, 39584, 42058, 42160, 49480, 76694, 79168, 84116, 84320, 98960, 105145, 153388, 168232, 168640, 191735, 197920, 210290, 306776, 336464, 383470, 395840, 420580, 613552, 651899, 672928, 766940, 841160, 1227104, 1303798, 1345856, 1533880, 1682320, 2454208, 2607596, 3067760, 3259495, 3364640, 5215192, 6135520, 6518990, 6729280, 10430384, 12271040, 13037980, 20860768, 26075960, 41721536, 52151920, 104303840, 208607680]

約数ペア:

[(1, 208607680), (2, 104303840), (4, 52151920), (5, 41721536), (8, 26075960), (10, 20860768), (16, 13037980), (17, 12271040), (20, 10430384), (31, 6729280), (32, 6518990), (34, 6135520), (40, 5215192), (62, 3364640), (64, 3259495), (68, 3067760), (80, 2607596), (85, 2454208), (124, 1682320), (136, 1533880), (155, 1345856), (160, 1303798), (170, 1227104), (248, 841160), (272, 766940), (310, 672928), (320, 651899), (340, 613552), (496, 420580), (527, 395840), (544, 383470), (620, 336464), (680, 306776), (992, 210290), (1054, 197920), (1088, 191735), (1237, 168640), (1240, 168232), (1360, 153388), (1984, 105145), (2108, 98960), (2474, 84320), (2480, 84116), (2635, 79168), (2720, 76694), (4216, 49480), (4948, 42160), (4960, 42058), (5270, 39584), (5440, 38347), (6185, 33728), (8432, 24740), (9896, 21080), (9920, 21029), (10540, 19792), (12370, 16864)]