180320

素因数分解:

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

素因数の和:52

約数の個数: 72

約数和(自身を含む): 517104

約数和(自身を除く): 336784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 736, 784, 805, 920, 980, 1120, 1127, 1288, 1568, 1610, 1840, 1960, 2254, 2576, 3220, 3680, 3920, 4508, 5152, 5635, 6440, 7840, 9016, 11270, 12880, 18032, 22540, 25760, 36064, 45080, 90160, 180320]

約数ペア:

[(1, 180320), (2, 90160), (4, 45080), (5, 36064), (7, 25760), (8, 22540), (10, 18032), (14, 12880), (16, 11270), (20, 9016), (23, 7840), (28, 6440), (32, 5635), (35, 5152), (40, 4508), (46, 3920), (49, 3680), (56, 3220), (70, 2576), (80, 2254), (92, 1960), (98, 1840), (112, 1610), (115, 1568), (140, 1288), (160, 1127), (161, 1120), (184, 980), (196, 920), (224, 805), (230, 784), (245, 736), (280, 644), (322, 560), (368, 490), (392, 460)]