1959728640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{255173}}^1$

素因数の和:255199

約数の個数: 80

約数和(自身を含む): 6265032048

約数和(自身を除く): 4305303408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 255173, 510346, 765519, 1020692, 1275865, 1531038, 2041384, 2551730, 3062076, 3827595, 4082768, 5103460, 6124152, 7655190, 8165536, 10206920, 12248304, 15310380, 16331072, 20413840, 24496608, 30620760, 32662144, 40827680, 48993216, 61241520, 65324288, 81655360, 97986432, 122483040, 130648576, 163310720, 195972864, 244966080, 326621440, 391945728, 489932160, 653242880, 979864320, 1959728640]

約数ペア:

[(1, 1959728640), (2, 979864320), (3, 653242880), (4, 489932160), (5, 391945728), (6, 326621440), (8, 244966080), (10, 195972864), (12, 163310720), (15, 130648576), (16, 122483040), (20, 97986432), (24, 81655360), (30, 65324288), (32, 61241520), (40, 48993216), (48, 40827680), (60, 32662144), (64, 30620760), (80, 24496608), (96, 20413840), (120, 16331072), (128, 15310380), (160, 12248304), (192, 10206920), (240, 8165536), (256, 7655190), (320, 6124152), (384, 5103460), (480, 4082768), (512, 3827595), (640, 3062076), (768, 2551730), (960, 2041384), (1280, 1531038), (1536, 1275865), (1920, 1020692), (2560, 765519), (3840, 510346), (7680, 255173)]