821086560

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{81457}}^1$

素因数の和:81485

約数の個数: 144

約数和(自身を含む): 3202276896

約数和(自身を除く): 2381190336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 81457, 162914, 244371, 325828, 407285, 488742, 570199, 651656, 733113, 814570, 977484, 1140398, 1221855, 1303312, 1466226, 1629140, 1710597, 1954968, 2280796, 2443710, 2606624, 2850995, 2932452, 3258280, 3421194, 3665565, 3909936, 4561592, 4887420, 5131791, 5701990, 5864904, 6516560, 6842388, 7331130, 7819872, 8552985, 9123184, 9774840, 10263582, 11403980, 11729808, 13033120, 13684776, 14662260, 17105970, 18246368, 19549680, 20527164, 22807960, 23459616, 25658955, 27369552, 29324520, 34211940, 39099360, 41054328, 45615920, 51317910, 54739104, 58649040, 68423880, 82108656, 91231840, 102635820, 117298080, 136847760, 164217312, 205271640, 273695520, 410543280, 821086560]

約数ペア:

[(1, 821086560), (2, 410543280), (3, 273695520), (4, 205271640), (5, 164217312), (6, 136847760), (7, 117298080), (8, 102635820), (9, 91231840), (10, 82108656), (12, 68423880), (14, 58649040), (15, 54739104), (16, 51317910), (18, 45615920), (20, 41054328), (21, 39099360), (24, 34211940), (28, 29324520), (30, 27369552), (32, 25658955), (35, 23459616), (36, 22807960), (40, 20527164), (42, 19549680), (45, 18246368), (48, 17105970), (56, 14662260), (60, 13684776), (63, 13033120), (70, 11729808), (72, 11403980), (80, 10263582), (84, 9774840), (90, 9123184), (96, 8552985), (105, 7819872), (112, 7331130), (120, 6842388), (126, 6516560), (140, 5864904), (144, 5701990), (160, 5131791), (168, 4887420), (180, 4561592), (210, 3909936), (224, 3665565), (240, 3421194), (252, 3258280), (280, 2932452), (288, 2850995), (315, 2606624), (336, 2443710), (360, 2280796), (420, 1954968), (480, 1710597), (504, 1629140), (560, 1466226), (630, 1303312), (672, 1221855), (720, 1140398), (840, 977484), (1008, 814570), (1120, 733113), (1260, 651656), (1440, 570199), (1680, 488742), (2016, 407285), (2520, 325828), (3360, 244371), (5040, 162914), (10080, 81457)]