201559120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15649}}^1$

素因数の和:15692

約数の個数: 80

約数和(自身を含む): 558892800

約数和(自身を除く): 357333680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 15649, 31298, 62596, 78245, 109543, 125192, 156490, 219086, 250384, 312980, 359927, 438172, 547715, 625960, 719854, 876344, 1095430, 1251920, 1439708, 1752688, 1799635, 2190860, 2519489, 2879416, 3599270, 4381720, 5038978, 5758832, 7198540, 8763440, 10077956, 12597445, 14397080, 20155912, 25194890, 28794160, 40311824, 50389780, 100779560, 201559120]

約数ペア:

[(1, 201559120), (2, 100779560), (4, 50389780), (5, 40311824), (7, 28794160), (8, 25194890), (10, 20155912), (14, 14397080), (16, 12597445), (20, 10077956), (23, 8763440), (28, 7198540), (35, 5758832), (40, 5038978), (46, 4381720), (56, 3599270), (70, 2879416), (80, 2519489), (92, 2190860), (112, 1799635), (115, 1752688), (140, 1439708), (161, 1251920), (184, 1095430), (230, 876344), (280, 719854), (322, 625960), (368, 547715), (460, 438172), (560, 359927), (644, 312980), (805, 250384), (920, 219086), (1288, 156490), (1610, 125192), (1840, 109543), (2576, 78245), (3220, 62596), (6440, 31298), (12880, 15649)]