31668120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{727}}^1$

素因数の和:766

約数の個数: 144

約数和(自身を含む): 113284080

約数和(自身を除く): 81615960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 726, 727, 792, 968, 990, 1089, 1210, 1320, 1452, 1454, 1815, 1980, 2178, 2181, 2420, 2904, 2908, 3630, 3635, 3960, 4356, 4362, 4840, 5445, 5816, 6543, 7260, 7270, 7997, 8712, 8724, 10890, 10905, 13086, 14520, 14540, 15994, 17448, 21780, 21810, 23991, 26172, 29080, 31988, 32715, 39985, 43560, 43620, 47982, 52344, 63976, 65430, 71973, 79970, 87240, 87967, 95964, 119955, 130860, 143946, 159940, 175934, 191928, 239910, 261720, 263901, 287892, 319880, 351868, 359865, 439835, 479820, 527802, 575784, 703736, 719730, 791703, 879670, 959640, 1055604, 1319505, 1439460, 1583406, 1759340, 2111208, 2639010, 2878920, 3166812, 3518680, 3958515, 5278020, 6333624, 7917030, 10556040, 15834060, 31668120]

約数ペア:

[(1, 31668120), (2, 15834060), (3, 10556040), (4, 7917030), (5, 6333624), (6, 5278020), (8, 3958515), (9, 3518680), (10, 3166812), (11, 2878920), (12, 2639010), (15, 2111208), (18, 1759340), (20, 1583406), (22, 1439460), (24, 1319505), (30, 1055604), (33, 959640), (36, 879670), (40, 791703), (44, 719730), (45, 703736), (55, 575784), (60, 527802), (66, 479820), (72, 439835), (88, 359865), (90, 351868), (99, 319880), (110, 287892), (120, 263901), (121, 261720), (132, 239910), (165, 191928), (180, 175934), (198, 159940), (220, 143946), (242, 130860), (264, 119955), (330, 95964), (360, 87967), (363, 87240), (396, 79970), (440, 71973), (484, 65430), (495, 63976), (605, 52344), (660, 47982), (726, 43620), (727, 43560), (792, 39985), (968, 32715), (990, 31988), (1089, 29080), (1210, 26172), (1320, 23991), (1452, 21810), (1454, 21780), (1815, 17448), (1980, 15994), (2178, 14540), (2181, 14520), (2420, 13086), (2904, 10905), (2908, 10890), (3630, 8724), (3635, 8712), (3960, 7997), (4356, 7270), (4362, 7260), (4840, 6543), (5445, 5816)]