82605880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 225607680

約数和(自身を除く): 143001800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 101, 115, 127, 140, 161, 184, 202, 230, 254, 280, 322, 404, 460, 505, 508, 635, 644, 707, 805, 808, 889, 920, 1010, 1016, 1270, 1288, 1414, 1610, 1778, 2020, 2323, 2540, 2828, 2921, 3220, 3535, 3556, 4040, 4445, 4646, 5080, 5656, 5842, 6440, 7070, 7112, 8890, 9292, 11615, 11684, 12827, 14140, 14605, 16261, 17780, 18584, 20447, 23230, 23368, 25654, 28280, 29210, 32522, 35560, 40894, 46460, 51308, 58420, 64135, 65044, 81305, 81788, 89789, 92920, 102235, 102616, 116840, 128270, 130088, 162610, 163576, 179578, 204470, 256540, 295021, 325220, 359156, 408940, 448945, 513080, 590042, 650440, 718312, 817880, 897890, 1180084, 1475105, 1795780, 2065147, 2360168, 2950210, 3591560, 4130294, 5900420, 8260588, 10325735, 11800840, 16521176, 20651470, 41302940, 82605880]

約数ペア:

[(1, 82605880), (2, 41302940), (4, 20651470), (5, 16521176), (7, 11800840), (8, 10325735), (10, 8260588), (14, 5900420), (20, 4130294), (23, 3591560), (28, 2950210), (35, 2360168), (40, 2065147), (46, 1795780), (56, 1475105), (70, 1180084), (92, 897890), (101, 817880), (115, 718312), (127, 650440), (140, 590042), (161, 513080), (184, 448945), (202, 408940), (230, 359156), (254, 325220), (280, 295021), (322, 256540), (404, 204470), (460, 179578), (505, 163576), (508, 162610), (635, 130088), (644, 128270), (707, 116840), (805, 102616), (808, 102235), (889, 92920), (920, 89789), (1010, 81788), (1016, 81305), (1270, 65044), (1288, 64135), (1414, 58420), (1610, 51308), (1778, 46460), (2020, 40894), (2323, 35560), (2540, 32522), (2828, 29210), (2921, 28280), (3220, 25654), (3535, 23368), (3556, 23230), (4040, 20447), (4445, 18584), (4646, 17780), (5080, 16261), (5656, 14605), (5842, 14140), (6440, 12827), (7070, 11684), (7112, 11615), (8890, 9292)]