12921120

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{997}}^1$

素因数の和:1024

約数の個数: 120

約数和(自身を含む): 45646524

約数和(自身を除く): 32725404

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 997, 1080, 1296, 1440, 1620, 1994, 2160, 2592, 2991, 3240, 3988, 4320, 4985, 5982, 6480, 7976, 8973, 9970, 11964, 12960, 14955, 15952, 17946, 19940, 23928, 26919, 29910, 31904, 35892, 39880, 44865, 47856, 53838, 59820, 71784, 79760, 80757, 89730, 95712, 107676, 119640, 134595, 143568, 159520, 161514, 179460, 215352, 239280, 269190, 287136, 323028, 358920, 403785, 430704, 478560, 538380, 646056, 717840, 807570, 861408, 1076760, 1292112, 1435680, 1615140, 2153520, 2584224, 3230280, 4307040, 6460560, 12921120]

約数ペア:

[(1, 12921120), (2, 6460560), (3, 4307040), (4, 3230280), (5, 2584224), (6, 2153520), (8, 1615140), (9, 1435680), (10, 1292112), (12, 1076760), (15, 861408), (16, 807570), (18, 717840), (20, 646056), (24, 538380), (27, 478560), (30, 430704), (32, 403785), (36, 358920), (40, 323028), (45, 287136), (48, 269190), (54, 239280), (60, 215352), (72, 179460), (80, 161514), (81, 159520), (90, 143568), (96, 134595), (108, 119640), (120, 107676), (135, 95712), (144, 89730), (160, 80757), (162, 79760), (180, 71784), (216, 59820), (240, 53838), (270, 47856), (288, 44865), (324, 39880), (360, 35892), (405, 31904), (432, 29910), (480, 26919), (540, 23928), (648, 19940), (720, 17946), (810, 15952), (864, 14955), (997, 12960), (1080, 11964), (1296, 9970), (1440, 8973), (1620, 7976), (1994, 6480), (2160, 5982), (2592, 4985), (2991, 4320), (3240, 3988)]