31305888

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1531}}^1$

素因数の和:1618

約数の個数: 72

約数和(自身を含む): 90338976

約数和(自身を除く): 59033088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1136, 1278, 1531, 1704, 2272, 2556, 3062, 3408, 4593, 5112, 6124, 6816, 9186, 10224, 12248, 13779, 18372, 20448, 24496, 27558, 36744, 48992, 55116, 73488, 108701, 110232, 146976, 217402, 220464, 326103, 434804, 440928, 652206, 869608, 978309, 1304412, 1739216, 1956618, 2608824, 3478432, 3913236, 5217648, 7826472, 10435296, 15652944, 31305888]

約数ペア:

[(1, 31305888), (2, 15652944), (3, 10435296), (4, 7826472), (6, 5217648), (8, 3913236), (9, 3478432), (12, 2608824), (16, 1956618), (18, 1739216), (24, 1304412), (32, 978309), (36, 869608), (48, 652206), (71, 440928), (72, 434804), (96, 326103), (142, 220464), (144, 217402), (213, 146976), (284, 110232), (288, 108701), (426, 73488), (568, 55116), (639, 48992), (852, 36744), (1136, 27558), (1278, 24496), (1531, 20448), (1704, 18372), (2272, 13779), (2556, 12248), (3062, 10224), (3408, 9186), (4593, 6816), (5112, 6124)]