1287043980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{302123}}^1$

素因数の和:302206

約数の個数: 48

約数和(自身を含む): 3654491904

約数和(自身を除く): 2367447924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 302123, 604246, 906369, 1208492, 1510615, 1812738, 3021230, 3625476, 4531845, 6042460, 9063690, 18127380, 21450733, 42901466, 64352199, 85802932, 107253665, 128704398, 214507330, 257408796, 321760995, 429014660, 643521990, 1287043980]

約数ペア:

[(1, 1287043980), (2, 643521990), (3, 429014660), (4, 321760995), (5, 257408796), (6, 214507330), (10, 128704398), (12, 107253665), (15, 85802932), (20, 64352199), (30, 42901466), (60, 21450733), (71, 18127380), (142, 9063690), (213, 6042460), (284, 4531845), (355, 3625476), (426, 3021230), (710, 1812738), (852, 1510615), (1065, 1208492), (1420, 906369), (2130, 604246), (4260, 302123)]