668506440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{823}}^1\times {\mathrm{967}}^1$

素因数の和:1811

約数の個数: 128

約数和(自身を含む): 2297180160

約数和(自身を除く): 1628673720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 823, 840, 967, 1646, 1934, 2469, 2901, 3292, 3868, 4115, 4835, 4938, 5761, 5802, 6584, 6769, 7736, 8230, 9670, 9876, 11522, 11604, 12345, 13538, 14505, 16460, 17283, 19340, 19752, 20307, 23044, 23208, 24690, 27076, 28805, 29010, 32920, 33845, 34566, 38680, 40614, 46088, 49380, 54152, 57610, 58020, 67690, 69132, 81228, 86415, 98760, 101535, 115220, 116040, 135380, 138264, 162456, 172830, 203070, 230440, 270760, 345660, 406140, 691320, 795841, 812280, 1591682, 2387523, 3183364, 3979205, 4775046, 5570887, 6366728, 7958410, 9550092, 11141774, 11937615, 15916820, 16712661, 19100184, 22283548, 23875230, 27854435, 31833640, 33425322, 44567096, 47750460, 55708870, 66850644, 83563305, 95500920, 111417740, 133701288, 167126610, 222835480, 334253220, 668506440]

約数ペア:

[(1, 668506440), (2, 334253220), (3, 222835480), (4, 167126610), (5, 133701288), (6, 111417740), (7, 95500920), (8, 83563305), (10, 66850644), (12, 55708870), (14, 47750460), (15, 44567096), (20, 33425322), (21, 31833640), (24, 27854435), (28, 23875230), (30, 22283548), (35, 19100184), (40, 16712661), (42, 15916820), (56, 11937615), (60, 11141774), (70, 9550092), (84, 7958410), (105, 6366728), (120, 5570887), (140, 4775046), (168, 3979205), (210, 3183364), (280, 2387523), (420, 1591682), (823, 812280), (840, 795841), (967, 691320), (1646, 406140), (1934, 345660), (2469, 270760), (2901, 230440), (3292, 203070), (3868, 172830), (4115, 162456), (4835, 138264), (4938, 135380), (5761, 116040), (5802, 115220), (6584, 101535), (6769, 98760), (7736, 86415), (8230, 81228), (9670, 69132), (9876, 67690), (11522, 58020), (11604, 57610), (12345, 54152), (13538, 49380), (14505, 46088), (16460, 40614), (17283, 38680), (19340, 34566), (19752, 33845), (20307, 32920), (23044, 29010), (23208, 28805), (24690, 27076)]