990441360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31991}}^1$

素因数の和:32053

約数の個数: 120

約数和(自身を含む): 3403692864

約数和(自身を除く): 2413251504

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 5160, 6192, 7740, 10320, 15480, 30960, 31991, 63982, 95973, 127964, 159955, 191946, 255928, 287919, 319910, 383892, 479865, 511856, 575838, 639820, 767784, 959730, 1151676, 1279640, 1375613, 1439595, 1535568, 1919460, 2303352, 2559280, 2751226, 2879190, 3838920, 4126839, 4606704, 5502452, 5758380, 6878065, 7677840, 8253678, 11004904, 11516760, 12380517, 13756130, 16507356, 20634195, 22009808, 23033520, 24761034, 27512260, 33014712, 41268390, 49522068, 55024520, 61902585, 66029424, 82536780, 99044136, 110049040, 123805170, 165073560, 198088272, 247610340, 330147120, 495220680, 990441360]

約数ペア:

[(1, 990441360), (2, 495220680), (3, 330147120), (4, 247610340), (5, 198088272), (6, 165073560), (8, 123805170), (9, 110049040), (10, 99044136), (12, 82536780), (15, 66029424), (16, 61902585), (18, 55024520), (20, 49522068), (24, 41268390), (30, 33014712), (36, 27512260), (40, 24761034), (43, 23033520), (45, 22009808), (48, 20634195), (60, 16507356), (72, 13756130), (80, 12380517), (86, 11516760), (90, 11004904), (120, 8253678), (129, 7677840), (144, 6878065), (172, 5758380), (180, 5502452), (215, 4606704), (240, 4126839), (258, 3838920), (344, 2879190), (360, 2751226), (387, 2559280), (430, 2303352), (516, 1919460), (645, 1535568), (688, 1439595), (720, 1375613), (774, 1279640), (860, 1151676), (1032, 959730), (1290, 767784), (1548, 639820), (1720, 575838), (1935, 511856), (2064, 479865), (2580, 383892), (3096, 319910), (3440, 287919), (3870, 255928), (5160, 191946), (6192, 159955), (7740, 127964), (10320, 95973), (15480, 63982), (30960, 31991)]