2420040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 8616960

約数和(自身を除く): 6196920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 67, 70, 84, 86, 105, 120, 129, 134, 140, 168, 172, 201, 210, 215, 258, 268, 280, 301, 335, 344, 402, 420, 430, 469, 516, 536, 602, 645, 670, 804, 840, 860, 903, 938, 1005, 1032, 1204, 1290, 1340, 1407, 1505, 1608, 1720, 1806, 1876, 2010, 2345, 2408, 2580, 2680, 2814, 2881, 3010, 3612, 3752, 4020, 4515, 4690, 5160, 5628, 5762, 6020, 7035, 7224, 8040, 8643, 9030, 9380, 11256, 11524, 12040, 14070, 14405, 17286, 18060, 18760, 20167, 23048, 28140, 28810, 34572, 36120, 40334, 43215, 56280, 57620, 60501, 69144, 80668, 86430, 100835, 115240, 121002, 161336, 172860, 201670, 242004, 302505, 345720, 403340, 484008, 605010, 806680, 1210020, 2420040]

約数ペア:

[(1, 2420040), (2, 1210020), (3, 806680), (4, 605010), (5, 484008), (6, 403340), (7, 345720), (8, 302505), (10, 242004), (12, 201670), (14, 172860), (15, 161336), (20, 121002), (21, 115240), (24, 100835), (28, 86430), (30, 80668), (35, 69144), (40, 60501), (42, 57620), (43, 56280), (56, 43215), (60, 40334), (67, 36120), (70, 34572), (84, 28810), (86, 28140), (105, 23048), (120, 20167), (129, 18760), (134, 18060), (140, 17286), (168, 14405), (172, 14070), (201, 12040), (210, 11524), (215, 11256), (258, 9380), (268, 9030), (280, 8643), (301, 8040), (335, 7224), (344, 7035), (402, 6020), (420, 5762), (430, 5628), (469, 5160), (516, 4690), (536, 4515), (602, 4020), (645, 3752), (670, 3612), (804, 3010), (840, 2881), (860, 2814), (903, 2680), (938, 2580), (1005, 2408), (1032, 2345), (1204, 2010), (1290, 1876), (1340, 1806), (1407, 1720), (1505, 1608)]