15723360

素因数分解:

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

素因数の和:261

約数の個数: 144

約数和(自身を含む): 54840240

約数和(自身を除く): 39116880

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, 72, 80, 90, 96, 120, 122, 144, 160, 179, 180, 183, 240, 244, 288, 305, 358, 360, 366, 480, 488, 537, 549, 610, 716, 720, 732, 895, 915, 976, 1074, 1098, 1220, 1432, 1440, 1464, 1611, 1790, 1830, 1952, 2148, 2196, 2440, 2685, 2745, 2864, 2928, 3222, 3580, 3660, 4296, 4392, 4880, 5370, 5490, 5728, 5856, 6444, 7160, 7320, 8055, 8592, 8784, 9760, 10740, 10919, 10980, 12888, 14320, 14640, 16110, 17184, 17568, 21480, 21838, 21960, 25776, 28640, 29280, 32220, 32757, 42960, 43676, 43920, 51552, 54595, 64440, 65514, 85920, 87352, 87840, 98271, 109190, 128880, 131028, 163785, 174704, 196542, 218380, 257760, 262056, 327570, 349408, 393084, 436760, 491355, 524112, 655140, 786168, 873520, 982710, 1048224, 1310280, 1572336, 1747040, 1965420, 2620560, 3144672, 3930840, 5241120, 7861680, 15723360]

約数ペア:

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