31446720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:263

約数の個数: 168

約数和(自身を含む): 110550960

約数和(自身を除く): 79104240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 64, 72, 80, 90, 96, 120, 122, 144, 160, 179, 180, 183, 192, 240, 244, 288, 305, 320, 358, 360, 366, 480, 488, 537, 549, 576, 610, 716, 720, 732, 895, 915, 960, 976, 1074, 1098, 1220, 1432, 1440, 1464, 1611, 1790, 1830, 1952, 2148, 2196, 2440, 2685, 2745, 2864, 2880, 2928, 3222, 3580, 3660, 3904, 4296, 4392, 4880, 5370, 5490, 5728, 5856, 6444, 7160, 7320, 8055, 8592, 8784, 9760, 10740, 10919, 10980, 11456, 11712, 12888, 14320, 14640, 16110, 17184, 17568, 19520, 21480, 21838, 21960, 25776, 28640, 29280, 32220, 32757, 34368, 35136, 42960, 43676, 43920, 51552, 54595, 57280, 58560, 64440, 65514, 85920, 87352, 87840, 98271, 103104, 109190, 128880, 131028, 163785, 171840, 174704, 175680, 196542, 218380, 257760, 262056, 327570, 349408, 393084, 436760, 491355, 515520, 524112, 655140, 698816, 786168, 873520, 982710, 1048224, 1310280, 1572336, 1747040, 1965420, 2096448, 2620560, 3144672, 3494080, 3930840, 5241120, 6289344, 7861680, 10482240, 15723360, 31446720]

約数ペア:

[(1, 31446720), (2, 15723360), (3, 10482240), (4, 7861680), (5, 6289344), (6, 5241120), (8, 3930840), (9, 3494080), (10, 3144672), (12, 2620560), (15, 2096448), (16, 1965420), (18, 1747040), (20, 1572336), (24, 1310280), (30, 1048224), (32, 982710), (36, 873520), (40, 786168), (45, 698816), (48, 655140), (60, 524112), (61, 515520), (64, 491355), (72, 436760), (80, 393084), (90, 349408), (96, 327570), (120, 262056), (122, 257760), (144, 218380), (160, 196542), (179, 175680), (180, 174704), (183, 171840), (192, 163785), (240, 131028), (244, 128880), (288, 109190), (305, 103104), (320, 98271), (358, 87840), (360, 87352), (366, 85920), (480, 65514), (488, 64440), (537, 58560), (549, 57280), (576, 54595), (610, 51552), (716, 43920), (720, 43676), (732, 42960), (895, 35136), (915, 34368), (960, 32757), (976, 32220), (1074, 29280), (1098, 28640), (1220, 25776), (1432, 21960), (1440, 21838), (1464, 21480), (1611, 19520), (1790, 17568), (1830, 17184), (1952, 16110), (2148, 14640), (2196, 14320), (2440, 12888), (2685, 11712), (2745, 11456), (2864, 10980), (2880, 10919), (2928, 10740), (3222, 9760), (3580, 8784), (3660, 8592), (3904, 8055), (4296, 7320), (4392, 7160), (4880, 6444), (5370, 5856), (5490, 5728)]