129309440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:462

約数の個数: 144

約数和(自身を含む): 351976800

約数和(自身を除く): 222667360

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, 409, 416, 494, 520, 608, 640, 760, 818, 832, 988, 1040, 1216, 1235, 1280, 1520, 1636, 1664, 1976, 2045, 2080, 2432, 2470, 3040, 3272, 3328, 3952, 4090, 4160, 4864, 4940, 5317, 6080, 6544, 7771, 7904, 8180, 8320, 9880, 10634, 12160, 13088, 15542, 15808, 16360, 16640, 19760, 21268, 24320, 26176, 26585, 31084, 31616, 32720, 38855, 39520, 42536, 52352, 53170, 62168, 63232, 65440, 77710, 79040, 85072, 101023, 104704, 106340, 124336, 130880, 155420, 158080, 170144, 202046, 212680, 248672, 261760, 310840, 316160, 340288, 404092, 425360, 497344, 505115, 523520, 621680, 680576, 808184, 850720, 994688, 1010230, 1243360, 1361152, 1616368, 1701440, 1989376, 2020460, 2486720, 3232736, 3402880, 4040920, 4973440, 6465472, 6805760, 8081840, 9946880, 12930944, 16163680, 25861888, 32327360, 64654720, 129309440]

約数ペア:

[(1, 129309440), (2, 64654720), (4, 32327360), (5, 25861888), (8, 16163680), (10, 12930944), (13, 9946880), (16, 8081840), (19, 6805760), (20, 6465472), (26, 4973440), (32, 4040920), (38, 3402880), (40, 3232736), (52, 2486720), (64, 2020460), (65, 1989376), (76, 1701440), (80, 1616368), (95, 1361152), (104, 1243360), (128, 1010230), (130, 994688), (152, 850720), (160, 808184), (190, 680576), (208, 621680), (247, 523520), (256, 505115), (260, 497344), (304, 425360), (320, 404092), (380, 340288), (409, 316160), (416, 310840), (494, 261760), (520, 248672), (608, 212680), (640, 202046), (760, 170144), (818, 158080), (832, 155420), (988, 130880), (1040, 124336), (1216, 106340), (1235, 104704), (1280, 101023), (1520, 85072), (1636, 79040), (1664, 77710), (1976, 65440), (2045, 63232), (2080, 62168), (2432, 53170), (2470, 52352), (3040, 42536), (3272, 39520), (3328, 38855), (3952, 32720), (4090, 31616), (4160, 31084), (4864, 26585), (4940, 26176), (5317, 24320), (6080, 21268), (6544, 19760), (7771, 16640), (7904, 16360), (8180, 15808), (8320, 15542), (9880, 13088), (10634, 12160)]