740657920

素因数分解:

$2^8\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1381}}^1$

素因数の和:1821

約数の個数: 72

約数和(自身を含む): 1779629040

約数和(自身を除く): 1038971120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 419, 640, 838, 1280, 1381, 1676, 2095, 2762, 3352, 4190, 5524, 6704, 6905, 8380, 11048, 13408, 13810, 16760, 22096, 26816, 27620, 33520, 44192, 53632, 55240, 67040, 88384, 107264, 110480, 134080, 176768, 220960, 268160, 353536, 441920, 536320, 578639, 883840, 1157278, 1767680, 2314556, 2893195, 4629112, 5786390, 9258224, 11572780, 18516448, 23145560, 37032896, 46291120, 74065792, 92582240, 148131584, 185164480, 370328960, 740657920]

約数ペア:

[(1, 740657920), (2, 370328960), (4, 185164480), (5, 148131584), (8, 92582240), (10, 74065792), (16, 46291120), (20, 37032896), (32, 23145560), (40, 18516448), (64, 11572780), (80, 9258224), (128, 5786390), (160, 4629112), (256, 2893195), (320, 2314556), (419, 1767680), (640, 1157278), (838, 883840), (1280, 578639), (1381, 536320), (1676, 441920), (2095, 353536), (2762, 268160), (3352, 220960), (4190, 176768), (5524, 134080), (6704, 110480), (6905, 107264), (8380, 88384), (11048, 67040), (13408, 55240), (13810, 53632), (16760, 44192), (22096, 33520), (26816, 27620)]