81716040

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{1201}}^1$

素因数の和:1234

約数の個数: 192

約数和(自身を含む): 315020160

約数和(自身を除く): 233304120

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, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 756, 810, 840, 945, 972, 1080, 1134, 1201, 1215, 1260, 1512, 1620, 1701, 1890, 1944, 2268, 2402, 2430, 2520, 2835, 3240, 3402, 3603, 3780, 4536, 4804, 4860, 5670, 6005, 6804, 7206, 7560, 8407, 8505, 9608, 9720, 10809, 11340, 12010, 13608, 14412, 16814, 17010, 18015, 21618, 22680, 24020, 25221, 28824, 32427, 33628, 34020, 36030, 42035, 43236, 48040, 50442, 54045, 64854, 67256, 68040, 72060, 75663, 84070, 86472, 97281, 100884, 108090, 126105, 129708, 144120, 151326, 162135, 168140, 194562, 201768, 216180, 226989, 252210, 259416, 291843, 302652, 324270, 336280, 378315, 389124, 432360, 453978, 486405, 504420, 583686, 605304, 648540, 680967, 756630, 778248, 907956, 972810, 1008840, 1134945, 1167372, 1297080, 1361934, 1459215, 1513260, 1815912, 1945620, 2042901, 2269890, 2334744, 2723868, 2918430, 3026520, 3404835, 3891240, 4085802, 4539780, 5447736, 5836860, 6809670, 8171604, 9079560, 10214505, 11673720, 13619340, 16343208, 20429010, 27238680, 40858020, 81716040]

約数ペア:

[(1, 81716040), (2, 40858020), (3, 27238680), (4, 20429010), (5, 16343208), (6, 13619340), (7, 11673720), (8, 10214505), (9, 9079560), (10, 8171604), (12, 6809670), (14, 5836860), (15, 5447736), (18, 4539780), (20, 4085802), (21, 3891240), (24, 3404835), (27, 3026520), (28, 2918430), (30, 2723868), (35, 2334744), (36, 2269890), (40, 2042901), (42, 1945620), (45, 1815912), (54, 1513260), (56, 1459215), (60, 1361934), (63, 1297080), (70, 1167372), (72, 1134945), (81, 1008840), (84, 972810), (90, 907956), (105, 778248), (108, 756630), (120, 680967), (126, 648540), (135, 605304), (140, 583686), (162, 504420), (168, 486405), (180, 453978), (189, 432360), (210, 389124), (216, 378315), (243, 336280), (252, 324270), (270, 302652), (280, 291843), (315, 259416), (324, 252210), (360, 226989), (378, 216180), (405, 201768), (420, 194562), (486, 168140), (504, 162135), (540, 151326), (567, 144120), (630, 129708), (648, 126105), (756, 108090), (810, 100884), (840, 97281), (945, 86472), (972, 84070), (1080, 75663), (1134, 72060), (1201, 68040), (1215, 67256), (1260, 64854), (1512, 54045), (1620, 50442), (1701, 48040), (1890, 43236), (1944, 42035), (2268, 36030), (2402, 34020), (2430, 33628), (2520, 32427), (2835, 28824), (3240, 25221), (3402, 24020), (3603, 22680), (3780, 21618), (4536, 18015), (4804, 17010), (4860, 16814), (5670, 14412), (6005, 13608), (6804, 12010), (7206, 11340), (7560, 10809), (8407, 9720), (8505, 9608)]