78424320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1571}}^1$

素因数の和:1608

約数の個数: 144

約数和(自身を含む): 269906112

約数和(自身を除く): 191481792

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, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1560, 1571, 1664, 1920, 2080, 2496, 3120, 3142, 3328, 3840, 4160, 4713, 4992, 6240, 6284, 7855, 8320, 9426, 9984, 12480, 12568, 15710, 16640, 18852, 20423, 23565, 24960, 25136, 31420, 37704, 40846, 47130, 49920, 50272, 61269, 62840, 75408, 81692, 94260, 100544, 102115, 122538, 125680, 150816, 163384, 188520, 201088, 204230, 245076, 251360, 301632, 306345, 326768, 377040, 402176, 408460, 490152, 502720, 603264, 612690, 653536, 754080, 816920, 980304, 1005440, 1206528, 1225380, 1307072, 1508160, 1633840, 1960608, 2010880, 2450760, 2614144, 3016320, 3267680, 3921216, 4901520, 5228288, 6032640, 6535360, 7842432, 9803040, 13070720, 15684864, 19606080, 26141440, 39212160, 78424320]

約数ペア:

[(1, 78424320), (2, 39212160), (3, 26141440), (4, 19606080), (5, 15684864), (6, 13070720), (8, 9803040), (10, 7842432), (12, 6535360), (13, 6032640), (15, 5228288), (16, 4901520), (20, 3921216), (24, 3267680), (26, 3016320), (30, 2614144), (32, 2450760), (39, 2010880), (40, 1960608), (48, 1633840), (52, 1508160), (60, 1307072), (64, 1225380), (65, 1206528), (78, 1005440), (80, 980304), (96, 816920), (104, 754080), (120, 653536), (128, 612690), (130, 603264), (156, 502720), (160, 490152), (192, 408460), (195, 402176), (208, 377040), (240, 326768), (256, 306345), (260, 301632), (312, 251360), (320, 245076), (384, 204230), (390, 201088), (416, 188520), (480, 163384), (520, 150816), (624, 125680), (640, 122538), (768, 102115), (780, 100544), (832, 94260), (960, 81692), (1040, 75408), (1248, 62840), (1280, 61269), (1560, 50272), (1571, 49920), (1664, 47130), (1920, 40846), (2080, 37704), (2496, 31420), (3120, 25136), (3142, 24960), (3328, 23565), (3840, 20423), (4160, 18852), (4713, 16640), (4992, 15710), (6240, 12568), (6284, 12480), (7855, 9984), (8320, 9426)]