128245680

素因数分解:

$2^4\times 3^7\times 5^1\times {\mathrm{733}}^1$

素因数の和:767

約数の個数: 160

約数和(自身を含む): 447798720

約数和(自身を除く): 319553040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 733, 810, 972, 1080, 1215, 1296, 1458, 1466, 1620, 1944, 2160, 2187, 2199, 2430, 2916, 2932, 3240, 3645, 3665, 3888, 4374, 4398, 4860, 5832, 5864, 6480, 6597, 7290, 7330, 8748, 8796, 9720, 10935, 10995, 11664, 11728, 13194, 14580, 14660, 17496, 17592, 19440, 19791, 21870, 21990, 26388, 29160, 29320, 32985, 34992, 35184, 39582, 43740, 43980, 52776, 58320, 58640, 59373, 65970, 79164, 87480, 87960, 98955, 105552, 118746, 131940, 158328, 174960, 175920, 178119, 197910, 237492, 263880, 296865, 316656, 356238, 395820, 474984, 527760, 534357, 593730, 712476, 791640, 890595, 949968, 1068714, 1187460, 1424952, 1583280, 1603071, 1781190, 2137428, 2374920, 2671785, 2849904, 3206142, 3562380, 4274856, 4749840, 5343570, 6412284, 7124760, 8015355, 8549712, 10687140, 12824568, 14249520, 16030710, 21374280, 25649136, 32061420, 42748560, 64122840, 128245680]

約数ペア:

[(1, 128245680), (2, 64122840), (3, 42748560), (4, 32061420), (5, 25649136), (6, 21374280), (8, 16030710), (9, 14249520), (10, 12824568), (12, 10687140), (15, 8549712), (16, 8015355), (18, 7124760), (20, 6412284), (24, 5343570), (27, 4749840), (30, 4274856), (36, 3562380), (40, 3206142), (45, 2849904), (48, 2671785), (54, 2374920), (60, 2137428), (72, 1781190), (80, 1603071), (81, 1583280), (90, 1424952), (108, 1187460), (120, 1068714), (135, 949968), (144, 890595), (162, 791640), (180, 712476), (216, 593730), (240, 534357), (243, 527760), (270, 474984), (324, 395820), (360, 356238), (405, 316656), (432, 296865), (486, 263880), (540, 237492), (648, 197910), (720, 178119), (729, 175920), (733, 174960), (810, 158328), (972, 131940), (1080, 118746), (1215, 105552), (1296, 98955), (1458, 87960), (1466, 87480), (1620, 79164), (1944, 65970), (2160, 59373), (2187, 58640), (2199, 58320), (2430, 52776), (2916, 43980), (2932, 43740), (3240, 39582), (3645, 35184), (3665, 34992), (3888, 32985), (4374, 29320), (4398, 29160), (4860, 26388), (5832, 21990), (5864, 21870), (6480, 19791), (6597, 19440), (7290, 17592), (7330, 17496), (8748, 14660), (8796, 14580), (9720, 13194), (10935, 11728), (10995, 11664)]