78914640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:569

約数の個数: 160

約数和(自身を含む): 282839040

約数和(自身を除く): 203924400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 107, 112, 120, 140, 168, 210, 214, 240, 280, 321, 336, 420, 428, 439, 535, 560, 642, 749, 840, 856, 878, 1070, 1284, 1317, 1498, 1605, 1680, 1712, 1756, 2140, 2195, 2247, 2568, 2634, 2996, 3073, 3210, 3512, 3745, 4280, 4390, 4494, 5136, 5268, 5992, 6146, 6420, 6585, 7024, 7490, 8560, 8780, 8988, 9219, 10536, 11235, 11984, 12292, 12840, 13170, 14980, 15365, 17560, 17976, 18438, 21072, 22470, 24584, 25680, 26340, 29960, 30730, 35120, 35952, 36876, 44940, 46095, 46973, 49168, 52680, 59920, 61460, 73752, 89880, 92190, 93946, 105360, 122920, 140919, 147504, 179760, 184380, 187892, 234865, 245840, 281838, 328811, 368760, 375784, 469730, 563676, 657622, 704595, 737520, 751568, 939460, 986433, 1127352, 1315244, 1409190, 1644055, 1878920, 1972866, 2254704, 2630488, 2818380, 3288110, 3757840, 3945732, 4932165, 5260976, 5636760, 6576220, 7891464, 9864330, 11273520, 13152440, 15782928, 19728660, 26304880, 39457320, 78914640]

約数ペア:

[(1, 78914640), (2, 39457320), (3, 26304880), (4, 19728660), (5, 15782928), (6, 13152440), (7, 11273520), (8, 9864330), (10, 7891464), (12, 6576220), (14, 5636760), (15, 5260976), (16, 4932165), (20, 3945732), (21, 3757840), (24, 3288110), (28, 2818380), (30, 2630488), (35, 2254704), (40, 1972866), (42, 1878920), (48, 1644055), (56, 1409190), (60, 1315244), (70, 1127352), (80, 986433), (84, 939460), (105, 751568), (107, 737520), (112, 704595), (120, 657622), (140, 563676), (168, 469730), (210, 375784), (214, 368760), (240, 328811), (280, 281838), (321, 245840), (336, 234865), (420, 187892), (428, 184380), (439, 179760), (535, 147504), (560, 140919), (642, 122920), (749, 105360), (840, 93946), (856, 92190), (878, 89880), (1070, 73752), (1284, 61460), (1317, 59920), (1498, 52680), (1605, 49168), (1680, 46973), (1712, 46095), (1756, 44940), (2140, 36876), (2195, 35952), (2247, 35120), (2568, 30730), (2634, 29960), (2996, 26340), (3073, 25680), (3210, 24584), (3512, 22470), (3745, 21072), (4280, 18438), (4390, 17976), (4494, 17560), (5136, 15365), (5268, 14980), (5992, 13170), (6146, 12840), (6420, 12292), (6585, 11984), (7024, 11235), (7490, 10536), (8560, 9219), (8780, 8988)]