155989520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2029}}^1$

素因数の和:2104

約数の個数: 60

約数和(自身を含む): 374936940

約数和(自身を除く): 218947420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2029, 2480, 3844, 4058, 4805, 7688, 8116, 9610, 10145, 15376, 16232, 19220, 20290, 32464, 38440, 40580, 62899, 76880, 81160, 125798, 162320, 251596, 314495, 503192, 628990, 1006384, 1257980, 1949869, 2515960, 3899738, 5031920, 7799476, 9749345, 15598952, 19498690, 31197904, 38997380, 77994760, 155989520]

約数ペア:

[(1, 155989520), (2, 77994760), (4, 38997380), (5, 31197904), (8, 19498690), (10, 15598952), (16, 9749345), (20, 7799476), (31, 5031920), (40, 3899738), (62, 2515960), (80, 1949869), (124, 1257980), (155, 1006384), (248, 628990), (310, 503192), (496, 314495), (620, 251596), (961, 162320), (1240, 125798), (1922, 81160), (2029, 76880), (2480, 62899), (3844, 40580), (4058, 38440), (4805, 32464), (7688, 20290), (8116, 19220), (9610, 16232), (10145, 15376)]