72504520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{449}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 178848000

約数和(自身を除く): 106343480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 367, 440, 449, 734, 898, 1468, 1796, 1835, 2245, 2936, 3592, 3670, 4037, 4490, 4939, 7340, 8074, 8980, 9878, 14680, 16148, 17960, 19756, 20185, 24695, 32296, 39512, 40370, 49390, 80740, 98780, 161480, 164783, 197560, 329566, 659132, 823915, 1318264, 1647830, 1812613, 3295660, 3625226, 6591320, 7250452, 9063065, 14500904, 18126130, 36252260, 72504520]

約数ペア:

[(1, 72504520), (2, 36252260), (4, 18126130), (5, 14500904), (8, 9063065), (10, 7250452), (11, 6591320), (20, 3625226), (22, 3295660), (40, 1812613), (44, 1647830), (55, 1318264), (88, 823915), (110, 659132), (220, 329566), (367, 197560), (440, 164783), (449, 161480), (734, 98780), (898, 80740), (1468, 49390), (1796, 40370), (1835, 39512), (2245, 32296), (2936, 24695), (3592, 20185), (3670, 19756), (4037, 17960), (4490, 16148), (4939, 14680), (7340, 9878), (8074, 8980)]