157171994240

素因数分解:

$2^7\times 5^1\times {\mathrm{3571}}^1\times {\mathrm{68771}}^1$

素因数の和:72361

約数の個数: 64

約数和(自身を含む): 375849983520

約数和(自身を除く): 218677989280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3571, 7142, 14284, 17855, 28568, 35710, 57136, 68771, 71420, 114272, 137542, 142840, 228544, 275084, 285680, 343855, 457088, 550168, 571360, 687710, 1100336, 1142720, 1375420, 2200672, 2285440, 2750840, 4401344, 5501680, 8802688, 11003360, 22006720, 44013440, 245581241, 491162482, 982324964, 1227906205, 1964649928, 2455812410, 3929299856, 4911624820, 7858599712, 9823249640, 15717199424, 19646499280, 31434398848, 39292998560, 78585997120, 157171994240]

約数ペア:

[(1, 157171994240), (2, 78585997120), (4, 39292998560), (5, 31434398848), (8, 19646499280), (10, 15717199424), (16, 9823249640), (20, 7858599712), (32, 4911624820), (40, 3929299856), (64, 2455812410), (80, 1964649928), (128, 1227906205), (160, 982324964), (320, 491162482), (640, 245581241), (3571, 44013440), (7142, 22006720), (14284, 11003360), (17855, 8802688), (28568, 5501680), (35710, 4401344), (57136, 2750840), (68771, 2285440), (71420, 2200672), (114272, 1375420), (137542, 1142720), (142840, 1100336), (228544, 687710), (275084, 571360), (285680, 550168), (343855, 457088)]