39678080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:302

約数の個数: 128

約数和(自身を含む): 107956800

約数和(自身を除く): 68278720

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, 251, 260, 304, 320, 380, 416, 494, 502, 520, 608, 640, 760, 832, 988, 1004, 1040, 1216, 1235, 1255, 1520, 1664, 1976, 2008, 2080, 2432, 2470, 2510, 3040, 3263, 3952, 4016, 4160, 4769, 4940, 5020, 6080, 6526, 7904, 8032, 8320, 9538, 9880, 10040, 12160, 13052, 15808, 16064, 16315, 19076, 19760, 20080, 23845, 26104, 31616, 32128, 32630, 38152, 39520, 40160, 47690, 52208, 61997, 65260, 76304, 79040, 80320, 95380, 104416, 123994, 130520, 152608, 158080, 160640, 190760, 208832, 247988, 261040, 305216, 309985, 381520, 417664, 495976, 522080, 610432, 619970, 763040, 991952, 1044160, 1239940, 1526080, 1983904, 2088320, 2479880, 3052160, 3967808, 4959760, 7935616, 9919520, 19839040, 39678080]

約数ペア:

[(1, 39678080), (2, 19839040), (4, 9919520), (5, 7935616), (8, 4959760), (10, 3967808), (13, 3052160), (16, 2479880), (19, 2088320), (20, 1983904), (26, 1526080), (32, 1239940), (38, 1044160), (40, 991952), (52, 763040), (64, 619970), (65, 610432), (76, 522080), (80, 495976), (95, 417664), (104, 381520), (128, 309985), (130, 305216), (152, 261040), (160, 247988), (190, 208832), (208, 190760), (247, 160640), (251, 158080), (260, 152608), (304, 130520), (320, 123994), (380, 104416), (416, 95380), (494, 80320), (502, 79040), (520, 76304), (608, 65260), (640, 61997), (760, 52208), (832, 47690), (988, 40160), (1004, 39520), (1040, 38152), (1216, 32630), (1235, 32128), (1255, 31616), (1520, 26104), (1664, 23845), (1976, 20080), (2008, 19760), (2080, 19076), (2432, 16315), (2470, 16064), (2510, 15808), (3040, 13052), (3263, 12160), (3952, 10040), (4016, 9880), (4160, 9538), (4769, 8320), (4940, 8032), (5020, 7904), (6080, 6526)]