154986990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2141}}^1$

素因数の和:2297

約数の個数: 64

約数和(自身を含む): 394813440

約数和(自身を除く): 239826450

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 127, 190, 254, 285, 381, 570, 635, 762, 1270, 1905, 2141, 2413, 3810, 4282, 4826, 6423, 7239, 10705, 12065, 12846, 14478, 21410, 24130, 32115, 36195, 40679, 64230, 72390, 81358, 122037, 203395, 244074, 271907, 406790, 543814, 610185, 815721, 1220370, 1359535, 1631442, 2719070, 4078605, 5166233, 8157210, 10332466, 15498699, 25831165, 30997398, 51662330, 77493495, 154986990]

約数ペア:

[(1, 154986990), (2, 77493495), (3, 51662330), (5, 30997398), (6, 25831165), (10, 15498699), (15, 10332466), (19, 8157210), (30, 5166233), (38, 4078605), (57, 2719070), (95, 1631442), (114, 1359535), (127, 1220370), (190, 815721), (254, 610185), (285, 543814), (381, 406790), (570, 271907), (635, 244074), (762, 203395), (1270, 122037), (1905, 81358), (2141, 72390), (2413, 64230), (3810, 40679), (4282, 36195), (4826, 32115), (6423, 24130), (7239, 21410), (10705, 14478), (12065, 12846)]