2018075920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{3209}}^1$

素因数の和:4352

約数の個数: 80

約数和(自身を含む): 5368763520

約数和(自身を除く): 3350687600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1123, 2246, 3209, 4492, 5615, 6418, 7861, 8984, 11230, 12836, 15722, 16045, 17968, 22460, 22463, 25672, 31444, 32090, 39305, 44920, 44926, 51344, 62888, 64180, 78610, 89840, 89852, 112315, 125776, 128360, 157220, 179704, 224630, 256720, 314440, 359408, 449260, 628880, 898520, 1797040, 3603707, 7207414, 14414828, 18018535, 25225949, 28829656, 36037070, 50451898, 57659312, 72074140, 100903796, 126129745, 144148280, 201807592, 252259490, 288296560, 403615184, 504518980, 1009037960, 2018075920]

約数ペア:

[(1, 2018075920), (2, 1009037960), (4, 504518980), (5, 403615184), (7, 288296560), (8, 252259490), (10, 201807592), (14, 144148280), (16, 126129745), (20, 100903796), (28, 72074140), (35, 57659312), (40, 50451898), (56, 36037070), (70, 28829656), (80, 25225949), (112, 18018535), (140, 14414828), (280, 7207414), (560, 3603707), (1123, 1797040), (2246, 898520), (3209, 628880), (4492, 449260), (5615, 359408), (6418, 314440), (7861, 256720), (8984, 224630), (11230, 179704), (12836, 157220), (15722, 128360), (16045, 125776), (17968, 112315), (22460, 89852), (22463, 89840), (25672, 78610), (31444, 64180), (32090, 62888), (39305, 51344), (44920, 44926)]