209112120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{82981}}^1$

素因数の和:83005

約数の個数: 96

約数和(自身を含む): 776711520

約数和(自身を除く): 567599400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 82981, 165962, 248943, 331924, 414905, 497886, 580867, 663848, 746829, 829810, 995772, 1161734, 1244715, 1493658, 1659620, 1742601, 1991544, 2323468, 2489430, 2904335, 2987316, 3319240, 3485202, 3734145, 4646936, 4978860, 5227803, 5808670, 5974632, 6970404, 7468290, 8713005, 9957720, 10455606, 11617340, 13940808, 14936580, 17426010, 20911212, 23234680, 26139015, 29873160, 34852020, 41822424, 52278030, 69704040, 104556060, 209112120]

約数ペア:

[(1, 209112120), (2, 104556060), (3, 69704040), (4, 52278030), (5, 41822424), (6, 34852020), (7, 29873160), (8, 26139015), (9, 23234680), (10, 20911212), (12, 17426010), (14, 14936580), (15, 13940808), (18, 11617340), (20, 10455606), (21, 9957720), (24, 8713005), (28, 7468290), (30, 6970404), (35, 5974632), (36, 5808670), (40, 5227803), (42, 4978860), (45, 4646936), (56, 3734145), (60, 3485202), (63, 3319240), (70, 2987316), (72, 2904335), (84, 2489430), (90, 2323468), (105, 1991544), (120, 1742601), (126, 1659620), (140, 1493658), (168, 1244715), (180, 1161734), (210, 995772), (252, 829810), (280, 746829), (315, 663848), (360, 580867), (420, 497886), (504, 414905), (630, 331924), (840, 248943), (1260, 165962), (2520, 82981)]