18715232640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{749809}}^1$

素因数の和:749844

約数の個数: 128

約数和(自身を含む): 64243720800

約数和(自身を除く): 45528488160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 749809, 1499618, 2249427, 2999236, 3749045, 4498854, 5998472, 7498090, 8997708, 9747517, 11247135, 11996944, 14996180, 17995416, 19495034, 22494270, 23993888, 29242551, 29992360, 35990832, 38990068, 44988540, 47987776, 48737585, 58485102, 59984720, 71981664, 77980136, 89977080, 95975552, 97475170, 116970204, 119969440, 143963328, 146212755, 155960272, 179954160, 194950340, 233940408, 239938880, 287926656, 292425510, 311920544, 359908320, 389900680, 467880816, 479877760, 584851020, 623841088, 719816640, 779801360, 935761632, 1169702040, 1247682176, 1439633280, 1559602720, 1871523264, 2339404080, 3119205440, 3743046528, 4678808160, 6238410880, 9357616320, 18715232640]

約数ペア:

[(1, 18715232640), (2, 9357616320), (3, 6238410880), (4, 4678808160), (5, 3743046528), (6, 3119205440), (8, 2339404080), (10, 1871523264), (12, 1559602720), (13, 1439633280), (15, 1247682176), (16, 1169702040), (20, 935761632), (24, 779801360), (26, 719816640), (30, 623841088), (32, 584851020), (39, 479877760), (40, 467880816), (48, 389900680), (52, 359908320), (60, 311920544), (64, 292425510), (65, 287926656), (78, 239938880), (80, 233940408), (96, 194950340), (104, 179954160), (120, 155960272), (128, 146212755), (130, 143963328), (156, 119969440), (160, 116970204), (192, 97475170), (195, 95975552), (208, 89977080), (240, 77980136), (260, 71981664), (312, 59984720), (320, 58485102), (384, 48737585), (390, 47987776), (416, 44988540), (480, 38990068), (520, 35990832), (624, 29992360), (640, 29242551), (780, 23993888), (832, 22494270), (960, 19495034), (1040, 17995416), (1248, 14996180), (1560, 11996944), (1664, 11247135), (1920, 9747517), (2080, 8997708), (2496, 7498090), (3120, 5998472), (4160, 4498854), (4992, 3749045), (6240, 2999236), (8320, 2249427), (12480, 1499618), (24960, 749809)]