1618140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 4586400

約数和(自身を除く): 2968260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 181, 298, 362, 447, 543, 596, 724, 745, 894, 905, 1086, 1490, 1788, 1810, 2172, 2235, 2715, 2980, 3620, 4470, 5430, 8940, 10860, 26969, 53938, 80907, 107876, 134845, 161814, 269690, 323628, 404535, 539380, 809070, 1618140]

約数ペア:

[(1, 1618140), (2, 809070), (3, 539380), (4, 404535), (5, 323628), (6, 269690), (10, 161814), (12, 134845), (15, 107876), (20, 80907), (30, 53938), (60, 26969), (149, 10860), (181, 8940), (298, 5430), (362, 4470), (447, 3620), (543, 2980), (596, 2715), (724, 2235), (745, 2172), (894, 1810), (905, 1788), (1086, 1490)]