278929280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2707}}^1$

素因数の和:2756

約数の個数: 128

約数和(自身を含む): 795502080

約数和(自身を除く): 516572800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 640, 644, 736, 805, 896, 920, 1120, 1288, 1472, 1610, 1840, 2240, 2576, 2707, 2944, 3220, 3680, 4480, 5152, 5414, 6440, 7360, 10304, 10828, 12880, 13535, 14720, 18949, 20608, 21656, 25760, 27070, 37898, 43312, 51520, 54140, 62261, 75796, 86624, 94745, 103040, 108280, 124522, 151592, 173248, 189490, 216560, 249044, 303184, 311305, 346496, 378980, 433120, 435827, 498088, 606368, 622610, 757960, 866240, 871654, 996176, 1212736, 1245220, 1515920, 1732480, 1743308, 1992352, 2179135, 2425472, 2490440, 3031840, 3486616, 3984704, 4358270, 4980880, 6063680, 6973232, 7969408, 8716540, 9961760, 12127360, 13946464, 17433080, 19923520, 27892928, 34866160, 39847040, 55785856, 69732320, 139464640, 278929280]

約数ペア:

[(1, 278929280), (2, 139464640), (4, 69732320), (5, 55785856), (7, 39847040), (8, 34866160), (10, 27892928), (14, 19923520), (16, 17433080), (20, 13946464), (23, 12127360), (28, 9961760), (32, 8716540), (35, 7969408), (40, 6973232), (46, 6063680), (56, 4980880), (64, 4358270), (70, 3984704), (80, 3486616), (92, 3031840), (112, 2490440), (115, 2425472), (128, 2179135), (140, 1992352), (160, 1743308), (161, 1732480), (184, 1515920), (224, 1245220), (230, 1212736), (280, 996176), (320, 871654), (322, 866240), (368, 757960), (448, 622610), (460, 606368), (560, 498088), (640, 435827), (644, 433120), (736, 378980), (805, 346496), (896, 311305), (920, 303184), (1120, 249044), (1288, 216560), (1472, 189490), (1610, 173248), (1840, 151592), (2240, 124522), (2576, 108280), (2707, 103040), (2944, 94745), (3220, 86624), (3680, 75796), (4480, 62261), (5152, 54140), (5414, 51520), (6440, 43312), (7360, 37898), (10304, 27070), (10828, 25760), (12880, 21656), (13535, 20608), (14720, 18949)]