280451760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2557}}^1$

素因数の和:3030

約数の個数: 80

約数和(自身を含む): 871643616

約数和(自身を除く): 591191856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 457, 914, 1371, 1828, 2285, 2557, 2742, 3656, 4570, 5114, 5484, 6855, 7312, 7671, 9140, 10228, 10968, 12785, 13710, 15342, 18280, 20456, 21936, 25570, 27420, 30684, 36560, 38355, 40912, 51140, 54840, 61368, 76710, 102280, 109680, 122736, 153420, 204560, 306840, 613680, 1168549, 2337098, 3505647, 4674196, 5842745, 7011294, 9348392, 11685490, 14022588, 17528235, 18696784, 23370980, 28045176, 35056470, 46741960, 56090352, 70112940, 93483920, 140225880, 280451760]

約数ペア:

[(1, 280451760), (2, 140225880), (3, 93483920), (4, 70112940), (5, 56090352), (6, 46741960), (8, 35056470), (10, 28045176), (12, 23370980), (15, 18696784), (16, 17528235), (20, 14022588), (24, 11685490), (30, 9348392), (40, 7011294), (48, 5842745), (60, 4674196), (80, 3505647), (120, 2337098), (240, 1168549), (457, 613680), (914, 306840), (1371, 204560), (1828, 153420), (2285, 122736), (2557, 109680), (2742, 102280), (3656, 76710), (4570, 61368), (5114, 54840), (5484, 51140), (6855, 40912), (7312, 38355), (7671, 36560), (9140, 30684), (10228, 27420), (10968, 25570), (12785, 21936), (13710, 20456), (15342, 18280)]