121298520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^4\times {\mathrm{421}}^1$

素因数の和:463

約数の個数: 160

約数和(自身を含む): 425527920

約数和(自身を除く): 304229400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 421, 490, 588, 686, 735, 840, 842, 980, 1029, 1176, 1263, 1372, 1470, 1684, 1715, 1960, 2058, 2105, 2401, 2526, 2744, 2940, 2947, 3368, 3430, 4116, 4210, 4802, 5052, 5145, 5880, 5894, 6315, 6860, 7203, 8232, 8420, 8841, 9604, 10104, 10290, 11788, 12005, 12630, 13720, 14406, 14735, 16840, 17682, 19208, 20580, 20629, 23576, 24010, 25260, 28812, 29470, 35364, 36015, 41160, 41258, 44205, 48020, 50520, 57624, 58940, 61887, 70728, 72030, 82516, 88410, 96040, 103145, 117880, 123774, 144060, 144403, 165032, 176820, 206290, 247548, 288120, 288806, 309435, 353640, 412580, 433209, 495096, 577612, 618870, 722015, 825160, 866418, 1010821, 1155224, 1237740, 1444030, 1732836, 2021642, 2166045, 2475480, 2888060, 3032463, 3465672, 4043284, 4332090, 5054105, 5776120, 6064926, 8086568, 8664180, 10108210, 12129852, 15162315, 17328360, 20216420, 24259704, 30324630, 40432840, 60649260, 121298520]

約数ペア:

[(1, 121298520), (2, 60649260), (3, 40432840), (4, 30324630), (5, 24259704), (6, 20216420), (7, 17328360), (8, 15162315), (10, 12129852), (12, 10108210), (14, 8664180), (15, 8086568), (20, 6064926), (21, 5776120), (24, 5054105), (28, 4332090), (30, 4043284), (35, 3465672), (40, 3032463), (42, 2888060), (49, 2475480), (56, 2166045), (60, 2021642), (70, 1732836), (84, 1444030), (98, 1237740), (105, 1155224), (120, 1010821), (140, 866418), (147, 825160), (168, 722015), (196, 618870), (210, 577612), (245, 495096), (280, 433209), (294, 412580), (343, 353640), (392, 309435), (420, 288806), (421, 288120), (490, 247548), (588, 206290), (686, 176820), (735, 165032), (840, 144403), (842, 144060), (980, 123774), (1029, 117880), (1176, 103145), (1263, 96040), (1372, 88410), (1470, 82516), (1684, 72030), (1715, 70728), (1960, 61887), (2058, 58940), (2105, 57624), (2401, 50520), (2526, 48020), (2744, 44205), (2940, 41258), (2947, 41160), (3368, 36015), (3430, 35364), (4116, 29470), (4210, 28812), (4802, 25260), (5052, 24010), (5145, 23576), (5880, 20629), (5894, 20580), (6315, 19208), (6860, 17682), (7203, 16840), (8232, 14735), (8420, 14406), (8841, 13720), (9604, 12630), (10104, 12005), (10290, 11788)]