312828440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{5867}}^1$

素因数の和:5952

約数の個数: 64

約数和(自身を含む): 743592960

約数和(自身を除く): 430764520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1720, 2666, 5332, 5867, 6665, 10664, 11734, 13330, 23468, 26660, 29335, 46936, 53320, 58670, 117340, 181877, 234680, 252281, 363754, 504562, 727508, 909385, 1009124, 1261405, 1455016, 1818770, 2018248, 2522810, 3637540, 5045620, 7275080, 7820711, 10091240, 15641422, 31282844, 39103555, 62565688, 78207110, 156414220, 312828440]

約数ペア:

[(1, 312828440), (2, 156414220), (4, 78207110), (5, 62565688), (8, 39103555), (10, 31282844), (20, 15641422), (31, 10091240), (40, 7820711), (43, 7275080), (62, 5045620), (86, 3637540), (124, 2522810), (155, 2018248), (172, 1818770), (215, 1455016), (248, 1261405), (310, 1009124), (344, 909385), (430, 727508), (620, 504562), (860, 363754), (1240, 252281), (1333, 234680), (1720, 181877), (2666, 117340), (5332, 58670), (5867, 53320), (6665, 46936), (10664, 29335), (11734, 26660), (13330, 23468)]