306705280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:556

約数の個数: 128

約数和(自身を含む): 844462080

約数和(自身を除く): 537756800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 223, 224, 280, 307, 320, 446, 448, 560, 614, 640, 892, 896, 1115, 1120, 1228, 1535, 1561, 1784, 2149, 2230, 2240, 2456, 3070, 3122, 3568, 4298, 4460, 4480, 4912, 6140, 6244, 7136, 7805, 8596, 8920, 9824, 10745, 12280, 12488, 14272, 15610, 17192, 17840, 19648, 21490, 24560, 24976, 28544, 31220, 34384, 35680, 39296, 42980, 49120, 49952, 62440, 68461, 68768, 71360, 85960, 98240, 99904, 124880, 136922, 137536, 142720, 171920, 196480, 199808, 249760, 273844, 275072, 342305, 343840, 479227, 499520, 547688, 684610, 687680, 958454, 999040, 1095376, 1369220, 1375360, 1916908, 2190752, 2396135, 2738440, 3833816, 4381504, 4792270, 5476880, 7667632, 8763008, 9584540, 10953760, 15335264, 19169080, 21907520, 30670528, 38338160, 43815040, 61341056, 76676320, 153352640, 306705280]

約数ペア:

[(1, 306705280), (2, 153352640), (4, 76676320), (5, 61341056), (7, 43815040), (8, 38338160), (10, 30670528), (14, 21907520), (16, 19169080), (20, 15335264), (28, 10953760), (32, 9584540), (35, 8763008), (40, 7667632), (56, 5476880), (64, 4792270), (70, 4381504), (80, 3833816), (112, 2738440), (128, 2396135), (140, 2190752), (160, 1916908), (223, 1375360), (224, 1369220), (280, 1095376), (307, 999040), (320, 958454), (446, 687680), (448, 684610), (560, 547688), (614, 499520), (640, 479227), (892, 343840), (896, 342305), (1115, 275072), (1120, 273844), (1228, 249760), (1535, 199808), (1561, 196480), (1784, 171920), (2149, 142720), (2230, 137536), (2240, 136922), (2456, 124880), (3070, 99904), (3122, 98240), (3568, 85960), (4298, 71360), (4460, 68768), (4480, 68461), (4912, 62440), (6140, 49952), (6244, 49120), (7136, 42980), (7805, 39296), (8596, 35680), (8920, 34384), (9824, 31220), (10745, 28544), (12280, 24976), (12488, 24560), (14272, 21490), (15610, 19648), (17192, 17840)]