7861680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:259

約数の個数: 120

約数和(自身を含む): 26984880

約数和(自身を除く): 19123200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 179, 180, 183, 240, 244, 305, 358, 360, 366, 488, 537, 549, 610, 716, 720, 732, 895, 915, 976, 1074, 1098, 1220, 1432, 1464, 1611, 1790, 1830, 2148, 2196, 2440, 2685, 2745, 2864, 2928, 3222, 3580, 3660, 4296, 4392, 4880, 5370, 5490, 6444, 7160, 7320, 8055, 8592, 8784, 10740, 10919, 10980, 12888, 14320, 14640, 16110, 21480, 21838, 21960, 25776, 32220, 32757, 42960, 43676, 43920, 54595, 64440, 65514, 87352, 98271, 109190, 128880, 131028, 163785, 174704, 196542, 218380, 262056, 327570, 393084, 436760, 491355, 524112, 655140, 786168, 873520, 982710, 1310280, 1572336, 1965420, 2620560, 3930840, 7861680]

約数ペア:

[(1, 7861680), (2, 3930840), (3, 2620560), (4, 1965420), (5, 1572336), (6, 1310280), (8, 982710), (9, 873520), (10, 786168), (12, 655140), (15, 524112), (16, 491355), (18, 436760), (20, 393084), (24, 327570), (30, 262056), (36, 218380), (40, 196542), (45, 174704), (48, 163785), (60, 131028), (61, 128880), (72, 109190), (80, 98271), (90, 87352), (120, 65514), (122, 64440), (144, 54595), (179, 43920), (180, 43676), (183, 42960), (240, 32757), (244, 32220), (305, 25776), (358, 21960), (360, 21838), (366, 21480), (488, 16110), (537, 14640), (549, 14320), (610, 12888), (716, 10980), (720, 10919), (732, 10740), (895, 8784), (915, 8592), (976, 8055), (1074, 7320), (1098, 7160), (1220, 6444), (1432, 5490), (1464, 5370), (1611, 4880), (1790, 4392), (1830, 4296), (2148, 3660), (2196, 3580), (2440, 3222), (2685, 2928), (2745, 2864)]