419544320

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1327}}^1$

素因数の和:1380

約数の個数: 144

約数和(自身を含む): 1140061440

約数和(自身を除く): 720517120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 256, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 988, 1040, 1216, 1235, 1280, 1327, 1520, 1664, 1976, 2080, 2432, 2470, 2654, 3040, 3328, 3952, 4160, 4864, 4940, 5308, 6080, 6635, 7904, 8320, 9880, 10616, 12160, 13270, 15808, 16640, 17251, 19760, 21232, 24320, 25213, 26540, 31616, 34502, 39520, 42464, 50426, 53080, 63232, 69004, 79040, 84928, 86255, 100852, 106160, 126065, 138008, 158080, 169856, 172510, 201704, 212320, 252130, 276016, 316160, 327769, 339712, 345020, 403408, 424640, 504260, 552032, 655538, 690040, 806816, 849280, 1008520, 1104064, 1311076, 1380080, 1613632, 1638845, 1698560, 2017040, 2208128, 2622152, 2760160, 3227264, 3277690, 4034080, 4416256, 5244304, 5520320, 6454528, 6555380, 8068160, 10488608, 11040640, 13110760, 16136320, 20977216, 22081280, 26221520, 32272640, 41954432, 52443040, 83908864, 104886080, 209772160, 419544320]

約数ペア:

[(1, 419544320), (2, 209772160), (4, 104886080), (5, 83908864), (8, 52443040), (10, 41954432), (13, 32272640), (16, 26221520), (19, 22081280), (20, 20977216), (26, 16136320), (32, 13110760), (38, 11040640), (40, 10488608), (52, 8068160), (64, 6555380), (65, 6454528), (76, 5520320), (80, 5244304), (95, 4416256), (104, 4034080), (128, 3277690), (130, 3227264), (152, 2760160), (160, 2622152), (190, 2208128), (208, 2017040), (247, 1698560), (256, 1638845), (260, 1613632), (304, 1380080), (320, 1311076), (380, 1104064), (416, 1008520), (494, 849280), (520, 806816), (608, 690040), (640, 655538), (760, 552032), (832, 504260), (988, 424640), (1040, 403408), (1216, 345020), (1235, 339712), (1280, 327769), (1327, 316160), (1520, 276016), (1664, 252130), (1976, 212320), (2080, 201704), (2432, 172510), (2470, 169856), (2654, 158080), (3040, 138008), (3328, 126065), (3952, 106160), (4160, 100852), (4864, 86255), (4940, 84928), (5308, 79040), (6080, 69004), (6635, 63232), (7904, 53080), (8320, 50426), (9880, 42464), (10616, 39520), (12160, 34502), (13270, 31616), (15808, 26540), (16640, 25213), (17251, 24320), (19760, 21232)]