2443980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2$

素因数の和:76

約数の個数: 144

約数和(自身を含む): 8918784

約数和(自身を除く): 6474804

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 23, 28, 30, 33, 35, 42, 44, 46, 55, 60, 66, 69, 70, 77, 84, 92, 105, 110, 115, 132, 138, 140, 154, 161, 165, 210, 220, 230, 231, 253, 276, 308, 322, 330, 345, 385, 420, 460, 462, 483, 506, 529, 644, 660, 690, 759, 770, 805, 924, 966, 1012, 1058, 1155, 1265, 1380, 1518, 1540, 1587, 1610, 1771, 1932, 2116, 2310, 2415, 2530, 2645, 3036, 3174, 3220, 3542, 3703, 3795, 4620, 4830, 5060, 5290, 5313, 5819, 6348, 7084, 7406, 7590, 7935, 8855, 9660, 10580, 10626, 11109, 11638, 14812, 15180, 15870, 17457, 17710, 18515, 21252, 22218, 23276, 26565, 29095, 31740, 34914, 35420, 37030, 40733, 44436, 53130, 55545, 58190, 69828, 74060, 81466, 87285, 106260, 111090, 116380, 122199, 162932, 174570, 203665, 222180, 244398, 349140, 407330, 488796, 610995, 814660, 1221990, 2443980]

約数ペア:

[(1, 2443980), (2, 1221990), (3, 814660), (4, 610995), (5, 488796), (6, 407330), (7, 349140), (10, 244398), (11, 222180), (12, 203665), (14, 174570), (15, 162932), (20, 122199), (21, 116380), (22, 111090), (23, 106260), (28, 87285), (30, 81466), (33, 74060), (35, 69828), (42, 58190), (44, 55545), (46, 53130), (55, 44436), (60, 40733), (66, 37030), (69, 35420), (70, 34914), (77, 31740), (84, 29095), (92, 26565), (105, 23276), (110, 22218), (115, 21252), (132, 18515), (138, 17710), (140, 17457), (154, 15870), (161, 15180), (165, 14812), (210, 11638), (220, 11109), (230, 10626), (231, 10580), (253, 9660), (276, 8855), (308, 7935), (322, 7590), (330, 7406), (345, 7084), (385, 6348), (420, 5819), (460, 5313), (462, 5290), (483, 5060), (506, 4830), (529, 4620), (644, 3795), (660, 3703), (690, 3542), (759, 3220), (770, 3174), (805, 3036), (924, 2645), (966, 2530), (1012, 2415), (1058, 2310), (1155, 2116), (1265, 1932), (1380, 1771), (1518, 1610), (1540, 1587)]