291649680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19289}}^1$

素因数の和:19318

約数の個数: 160

約数和(自身を含む): 1148140800

約数和(自身を除く): 856491120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 19289, 38578, 57867, 77156, 96445, 115734, 135023, 154312, 173601, 192890, 231468, 270046, 289335, 308624, 347202, 385780, 405069, 462936, 520803, 540092, 578670, 675115, 694404, 771560, 810138, 868005, 925872, 1041606, 1080184, 1157340, 1215207, 1350230, 1388808, 1543120, 1620276, 1736010, 2025345, 2083212, 2160368, 2314680, 2430414, 2604015, 2700460, 2777616, 3240552, 3472020, 3645621, 4050690, 4166424, 4629360, 4860828, 5208030, 5400920, 6076035, 6481104, 6944040, 7291242, 8101380, 8332848, 9721656, 10416060, 10801840, 12152070, 13888080, 14582484, 16202760, 18228105, 19443312, 20832120, 24304140, 29164968, 32405520, 36456210, 41664240, 48608280, 58329936, 72912420, 97216560, 145824840, 291649680]

約数ペア:

[(1, 291649680), (2, 145824840), (3, 97216560), (4, 72912420), (5, 58329936), (6, 48608280), (7, 41664240), (8, 36456210), (9, 32405520), (10, 29164968), (12, 24304140), (14, 20832120), (15, 19443312), (16, 18228105), (18, 16202760), (20, 14582484), (21, 13888080), (24, 12152070), (27, 10801840), (28, 10416060), (30, 9721656), (35, 8332848), (36, 8101380), (40, 7291242), (42, 6944040), (45, 6481104), (48, 6076035), (54, 5400920), (56, 5208030), (60, 4860828), (63, 4629360), (70, 4166424), (72, 4050690), (80, 3645621), (84, 3472020), (90, 3240552), (105, 2777616), (108, 2700460), (112, 2604015), (120, 2430414), (126, 2314680), (135, 2160368), (140, 2083212), (144, 2025345), (168, 1736010), (180, 1620276), (189, 1543120), (210, 1388808), (216, 1350230), (240, 1215207), (252, 1157340), (270, 1080184), (280, 1041606), (315, 925872), (336, 868005), (360, 810138), (378, 771560), (420, 694404), (432, 675115), (504, 578670), (540, 540092), (560, 520803), (630, 462936), (720, 405069), (756, 385780), (840, 347202), (945, 308624), (1008, 289335), (1080, 270046), (1260, 231468), (1512, 192890), (1680, 173601), (1890, 154312), (2160, 135023), (2520, 115734), (3024, 96445), (3780, 77156), (5040, 57867), (7560, 38578), (15120, 19289)]