990216360

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{130981}}^1$

素因数の和:131008

約数の個数: 128

約数和(自身を含む): 3772281600

約数和(自身を除く): 2782065240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 130981, 261962, 392943, 523924, 654905, 785886, 916867, 1047848, 1178829, 1309810, 1571772, 1833734, 1964715, 2357658, 2619620, 2750601, 3143544, 3536487, 3667468, 3929430, 4584335, 4715316, 5239240, 5501202, 5894145, 7072974, 7334936, 7858860, 8251803, 9168670, 9430632, 11002404, 11788290, 13753005, 14145948, 15717720, 16503606, 17682435, 18337340, 22004808, 23576580, 24755409, 27506010, 28291896, 33007212, 35364870, 36674680, 41259015, 47153160, 49510818, 55012020, 66014424, 70729740, 82518030, 99021636, 110024040, 123777045, 141459480, 165036060, 198043272, 247554090, 330072120, 495108180, 990216360]

約数ペア:

[(1, 990216360), (2, 495108180), (3, 330072120), (4, 247554090), (5, 198043272), (6, 165036060), (7, 141459480), (8, 123777045), (9, 110024040), (10, 99021636), (12, 82518030), (14, 70729740), (15, 66014424), (18, 55012020), (20, 49510818), (21, 47153160), (24, 41259015), (27, 36674680), (28, 35364870), (30, 33007212), (35, 28291896), (36, 27506010), (40, 24755409), (42, 23576580), (45, 22004808), (54, 18337340), (56, 17682435), (60, 16503606), (63, 15717720), (70, 14145948), (72, 13753005), (84, 11788290), (90, 11002404), (105, 9430632), (108, 9168670), (120, 8251803), (126, 7858860), (135, 7334936), (140, 7072974), (168, 5894145), (180, 5501202), (189, 5239240), (210, 4715316), (216, 4584335), (252, 3929430), (270, 3667468), (280, 3536487), (315, 3143544), (360, 2750601), (378, 2619620), (420, 2357658), (504, 1964715), (540, 1833734), (630, 1571772), (756, 1309810), (840, 1178829), (945, 1047848), (1080, 916867), (1260, 785886), (1512, 654905), (1890, 523924), (2520, 392943), (3780, 261962), (7560, 130981)]