138560280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:921

約数の個数: 128

約数和(自身を含む): 441400320

約数和(自身を除く): 302840040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 61, 69, 92, 115, 120, 122, 138, 183, 184, 230, 244, 276, 305, 345, 366, 460, 488, 552, 610, 690, 732, 823, 915, 920, 1220, 1380, 1403, 1464, 1646, 1830, 2440, 2469, 2760, 2806, 3292, 3660, 4115, 4209, 4938, 5612, 6584, 7015, 7320, 8230, 8418, 9876, 11224, 12345, 14030, 16460, 16836, 18929, 19752, 21045, 24690, 28060, 32920, 33672, 37858, 42090, 49380, 50203, 56120, 56787, 75716, 84180, 94645, 98760, 100406, 113574, 150609, 151432, 168360, 189290, 200812, 227148, 251015, 283935, 301218, 378580, 401624, 454296, 502030, 567870, 602436, 753045, 757160, 1004060, 1135740, 1154669, 1204872, 1506090, 2008120, 2271480, 2309338, 3012180, 3464007, 4618676, 5773345, 6024360, 6928014, 9237352, 11546690, 13856028, 17320035, 23093380, 27712056, 34640070, 46186760, 69280140, 138560280]

約数ペア:

[(1, 138560280), (2, 69280140), (3, 46186760), (4, 34640070), (5, 27712056), (6, 23093380), (8, 17320035), (10, 13856028), (12, 11546690), (15, 9237352), (20, 6928014), (23, 6024360), (24, 5773345), (30, 4618676), (40, 3464007), (46, 3012180), (60, 2309338), (61, 2271480), (69, 2008120), (92, 1506090), (115, 1204872), (120, 1154669), (122, 1135740), (138, 1004060), (183, 757160), (184, 753045), (230, 602436), (244, 567870), (276, 502030), (305, 454296), (345, 401624), (366, 378580), (460, 301218), (488, 283935), (552, 251015), (610, 227148), (690, 200812), (732, 189290), (823, 168360), (915, 151432), (920, 150609), (1220, 113574), (1380, 100406), (1403, 98760), (1464, 94645), (1646, 84180), (1830, 75716), (2440, 56787), (2469, 56120), (2760, 50203), (2806, 49380), (3292, 42090), (3660, 37858), (4115, 33672), (4209, 32920), (4938, 28060), (5612, 24690), (6584, 21045), (7015, 19752), (7320, 18929), (8230, 16836), (8418, 16460), (9876, 14030), (11224, 12345)]