3920840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:115

約数の個数: 128

約数和(自身を含む): 11750400

約数和(自身を除く): 7829560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 67, 70, 76, 77, 88, 95, 110, 133, 134, 140, 152, 154, 190, 209, 220, 266, 268, 280, 308, 335, 380, 385, 418, 440, 469, 532, 536, 616, 665, 670, 737, 760, 770, 836, 938, 1045, 1064, 1273, 1330, 1340, 1463, 1474, 1540, 1672, 1876, 2090, 2345, 2546, 2660, 2680, 2926, 2948, 3080, 3685, 3752, 4180, 4690, 5092, 5159, 5320, 5852, 5896, 6365, 7315, 7370, 8360, 8911, 9380, 10184, 10318, 11704, 12730, 14003, 14630, 14740, 17822, 18760, 20636, 25460, 25795, 28006, 29260, 29480, 35644, 41272, 44555, 50920, 51590, 56012, 58520, 70015, 71288, 89110, 98021, 103180, 112024, 140030, 178220, 196042, 206360, 280060, 356440, 392084, 490105, 560120, 784168, 980210, 1960420, 3920840]

約数ペア:

[(1, 3920840), (2, 1960420), (4, 980210), (5, 784168), (7, 560120), (8, 490105), (10, 392084), (11, 356440), (14, 280060), (19, 206360), (20, 196042), (22, 178220), (28, 140030), (35, 112024), (38, 103180), (40, 98021), (44, 89110), (55, 71288), (56, 70015), (67, 58520), (70, 56012), (76, 51590), (77, 50920), (88, 44555), (95, 41272), (110, 35644), (133, 29480), (134, 29260), (140, 28006), (152, 25795), (154, 25460), (190, 20636), (209, 18760), (220, 17822), (266, 14740), (268, 14630), (280, 14003), (308, 12730), (335, 11704), (380, 10318), (385, 10184), (418, 9380), (440, 8911), (469, 8360), (532, 7370), (536, 7315), (616, 6365), (665, 5896), (670, 5852), (737, 5320), (760, 5159), (770, 5092), (836, 4690), (938, 4180), (1045, 3752), (1064, 3685), (1273, 3080), (1330, 2948), (1340, 2926), (1463, 2680), (1474, 2660), (1540, 2546), (1672, 2345), (1876, 2090)]