80120280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4481}}^1$

素因数の和:4644

約数の個数: 64

約数和(自身を含む): 242028000

約数和(自身を除く): 161907720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1192, 1490, 1788, 2235, 2980, 3576, 4470, 4481, 5960, 8940, 8962, 13443, 17880, 17924, 22405, 26886, 35848, 44810, 53772, 67215, 89620, 107544, 134430, 179240, 268860, 537720, 667669, 1335338, 2003007, 2670676, 3338345, 4006014, 5341352, 6676690, 8012028, 10015035, 13353380, 16024056, 20030070, 26706760, 40060140, 80120280]

約数ペア:

[(1, 80120280), (2, 40060140), (3, 26706760), (4, 20030070), (5, 16024056), (6, 13353380), (8, 10015035), (10, 8012028), (12, 6676690), (15, 5341352), (20, 4006014), (24, 3338345), (30, 2670676), (40, 2003007), (60, 1335338), (120, 667669), (149, 537720), (298, 268860), (447, 179240), (596, 134430), (745, 107544), (894, 89620), (1192, 67215), (1490, 53772), (1788, 44810), (2235, 35848), (2980, 26886), (3576, 22405), (4470, 17924), (4481, 17880), (5960, 13443), (8940, 8962)]