131247180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:636

約数の個数: 144

約数和(自身を含む): 421284864

約数和(自身を除く): 290037684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 43, 45, 60, 62, 86, 90, 93, 124, 129, 155, 172, 180, 186, 215, 258, 279, 310, 372, 387, 430, 465, 516, 547, 558, 620, 645, 774, 860, 930, 1094, 1116, 1290, 1333, 1395, 1548, 1641, 1860, 1935, 2188, 2580, 2666, 2735, 2790, 3282, 3870, 3999, 4923, 5332, 5470, 5580, 6564, 6665, 7740, 7998, 8205, 9846, 10940, 11997, 13330, 15996, 16410, 16957, 19692, 19995, 23521, 23994, 24615, 26660, 32820, 33914, 39990, 47042, 47988, 49230, 50871, 59985, 67828, 70563, 79980, 84785, 94084, 98460, 101742, 117605, 119970, 141126, 152613, 169570, 203484, 211689, 235210, 239940, 254355, 282252, 305226, 339140, 352815, 423378, 470420, 508710, 610452, 705630, 729151, 763065, 846756, 1017420, 1058445, 1411260, 1458302, 1526130, 2116890, 2187453, 2916604, 3052260, 3645755, 4233780, 4374906, 6562359, 7291510, 8749812, 10937265, 13124718, 14583020, 21874530, 26249436, 32811795, 43749060, 65623590, 131247180]

約数ペア:

[(1, 131247180), (2, 65623590), (3, 43749060), (4, 32811795), (5, 26249436), (6, 21874530), (9, 14583020), (10, 13124718), (12, 10937265), (15, 8749812), (18, 7291510), (20, 6562359), (30, 4374906), (31, 4233780), (36, 3645755), (43, 3052260), (45, 2916604), (60, 2187453), (62, 2116890), (86, 1526130), (90, 1458302), (93, 1411260), (124, 1058445), (129, 1017420), (155, 846756), (172, 763065), (180, 729151), (186, 705630), (215, 610452), (258, 508710), (279, 470420), (310, 423378), (372, 352815), (387, 339140), (430, 305226), (465, 282252), (516, 254355), (547, 239940), (558, 235210), (620, 211689), (645, 203484), (774, 169570), (860, 152613), (930, 141126), (1094, 119970), (1116, 117605), (1290, 101742), (1333, 98460), (1395, 94084), (1548, 84785), (1641, 79980), (1860, 70563), (1935, 67828), (2188, 59985), (2580, 50871), (2666, 49230), (2735, 47988), (2790, 47042), (3282, 39990), (3870, 33914), (3999, 32820), (4923, 26660), (5332, 24615), (5470, 23994), (5580, 23521), (6564, 19995), (6665, 19692), (7740, 16957), (7998, 16410), (8205, 15996), (9846, 13330), (10940, 11997)]