163178960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1381}}^1$

素因数の和:1612

約数の個数: 80

約数和(自身を含む): 435960192

約数和(自身を除く): 272781232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 280, 422, 560, 844, 1055, 1381, 1477, 1688, 2110, 2762, 2954, 3376, 4220, 5524, 5908, 6905, 7385, 8440, 9667, 11048, 11816, 13810, 14770, 16880, 19334, 22096, 23632, 27620, 29540, 38668, 48335, 55240, 59080, 77336, 96670, 110480, 118160, 154672, 193340, 291391, 386680, 582782, 773360, 1165564, 1456955, 2039737, 2331128, 2913910, 4079474, 4662256, 5827820, 8158948, 10198685, 11655640, 16317896, 20397370, 23311280, 32635792, 40794740, 81589480, 163178960]

約数ペア:

[(1, 163178960), (2, 81589480), (4, 40794740), (5, 32635792), (7, 23311280), (8, 20397370), (10, 16317896), (14, 11655640), (16, 10198685), (20, 8158948), (28, 5827820), (35, 4662256), (40, 4079474), (56, 2913910), (70, 2331128), (80, 2039737), (112, 1456955), (140, 1165564), (211, 773360), (280, 582782), (422, 386680), (560, 291391), (844, 193340), (1055, 154672), (1381, 118160), (1477, 110480), (1688, 96670), (2110, 77336), (2762, 59080), (2954, 55240), (3376, 48335), (4220, 38668), (5524, 29540), (5908, 27620), (6905, 23632), (7385, 22096), (8440, 19334), (9667, 16880), (11048, 14770), (11816, 13810)]