240159440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1697}}^1$

素因数の和:1800

約数の個数: 80

約数和(自身を含む): 587440080

約数和(自身を除く): 347280640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 61, 80, 116, 122, 145, 232, 244, 290, 305, 464, 488, 580, 610, 976, 1160, 1220, 1697, 1769, 2320, 2440, 3394, 3538, 4880, 6788, 7076, 8485, 8845, 13576, 14152, 16970, 17690, 27152, 28304, 33940, 35380, 49213, 67880, 70760, 98426, 103517, 135760, 141520, 196852, 207034, 246065, 393704, 414068, 492130, 517585, 787408, 828136, 984260, 1035170, 1656272, 1968520, 2070340, 3001993, 3937040, 4140680, 6003986, 8281360, 12007972, 15009965, 24015944, 30019930, 48031888, 60039860, 120079720, 240159440]

約数ペア:

[(1, 240159440), (2, 120079720), (4, 60039860), (5, 48031888), (8, 30019930), (10, 24015944), (16, 15009965), (20, 12007972), (29, 8281360), (40, 6003986), (58, 4140680), (61, 3937040), (80, 3001993), (116, 2070340), (122, 1968520), (145, 1656272), (232, 1035170), (244, 984260), (290, 828136), (305, 787408), (464, 517585), (488, 492130), (580, 414068), (610, 393704), (976, 246065), (1160, 207034), (1220, 196852), (1697, 141520), (1769, 135760), (2320, 103517), (2440, 98426), (3394, 70760), (3538, 67880), (4880, 49213), (6788, 35380), (7076, 33940), (8485, 28304), (8845, 27152), (13576, 17690), (14152, 16970)]