128796816

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{857}}^1$

素因数の和:1000

約数の個数: 80

約数和(自身を含む): 347263488

約数和(自身を除く): 218466672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 101, 124, 186, 202, 248, 303, 372, 404, 496, 606, 744, 808, 857, 1212, 1488, 1616, 1714, 2424, 2571, 3131, 3428, 4848, 5142, 6262, 6856, 9393, 10284, 12524, 13712, 18786, 20568, 25048, 26567, 37572, 41136, 50096, 53134, 75144, 79701, 86557, 106268, 150288, 159402, 173114, 212536, 259671, 318804, 346228, 425072, 519342, 637608, 692456, 1038684, 1275216, 1384912, 2077368, 2683267, 4154736, 5366534, 8049801, 10733068, 16099602, 21466136, 32199204, 42932272, 64398408, 128796816]

約数ペア:

[(1, 128796816), (2, 64398408), (3, 42932272), (4, 32199204), (6, 21466136), (8, 16099602), (12, 10733068), (16, 8049801), (24, 5366534), (31, 4154736), (48, 2683267), (62, 2077368), (93, 1384912), (101, 1275216), (124, 1038684), (186, 692456), (202, 637608), (248, 519342), (303, 425072), (372, 346228), (404, 318804), (496, 259671), (606, 212536), (744, 173114), (808, 159402), (857, 150288), (1212, 106268), (1488, 86557), (1616, 79701), (1714, 75144), (2424, 53134), (2571, 50096), (3131, 41136), (3428, 37572), (4848, 26567), (5142, 25048), (6262, 20568), (6856, 18786), (9393, 13712), (10284, 12524)]