261319080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197969}}^1$

素因数の和:197994

約数の個数: 64

約数和(自身を含む): 855230400

約数和(自身を除く): 593911320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 197969, 395938, 593907, 791876, 989845, 1187814, 1583752, 1979690, 2177659, 2375628, 2969535, 3959380, 4355318, 4751256, 5939070, 6532977, 7918760, 8710636, 10888295, 11878140, 13065954, 17421272, 21776590, 23756280, 26131908, 32664885, 43553180, 52263816, 65329770, 87106360, 130659540, 261319080]

約数ペア:

[(1, 261319080), (2, 130659540), (3, 87106360), (4, 65329770), (5, 52263816), (6, 43553180), (8, 32664885), (10, 26131908), (11, 23756280), (12, 21776590), (15, 17421272), (20, 13065954), (22, 11878140), (24, 10888295), (30, 8710636), (33, 7918760), (40, 6532977), (44, 5939070), (55, 4751256), (60, 4355318), (66, 3959380), (88, 2969535), (110, 2375628), (120, 2177659), (132, 1979690), (165, 1583752), (220, 1187814), (264, 989845), (330, 791876), (440, 593907), (660, 395938), (1320, 197969)]