391023540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{6563}}^1$

素因数の和:6909

約数の個数: 72

約数和(自身を含む): 1189869408

約数和(自身を除く): 798845868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1655, 1986, 2979, 3310, 3972, 4965, 5958, 6563, 6620, 9930, 11916, 13126, 14895, 19689, 19860, 26252, 29790, 32815, 39378, 59067, 59580, 65630, 78756, 98445, 118134, 131260, 196890, 236268, 295335, 393780, 590670, 1181340, 2172353, 4344706, 6517059, 8689412, 10861765, 13034118, 19551177, 21723530, 26068236, 32585295, 39102354, 43447060, 65170590, 78204708, 97755885, 130341180, 195511770, 391023540]

約数ペア:

[(1, 391023540), (2, 195511770), (3, 130341180), (4, 97755885), (5, 78204708), (6, 65170590), (9, 43447060), (10, 39102354), (12, 32585295), (15, 26068236), (18, 21723530), (20, 19551177), (30, 13034118), (36, 10861765), (45, 8689412), (60, 6517059), (90, 4344706), (180, 2172353), (331, 1181340), (662, 590670), (993, 393780), (1324, 295335), (1655, 236268), (1986, 196890), (2979, 131260), (3310, 118134), (3972, 98445), (4965, 78756), (5958, 65630), (6563, 59580), (6620, 59067), (9930, 39378), (11916, 32815), (13126, 29790), (14895, 26252), (19689, 19860)]