128968944

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^2$

素因数の和:207

約数の個数: 120

約数和(自身を含む): 372799056

約数和(自身を除く): 243830112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 41, 48, 52, 71, 78, 82, 104, 123, 142, 156, 164, 208, 213, 246, 284, 312, 328, 426, 492, 533, 568, 624, 656, 852, 923, 984, 1066, 1136, 1599, 1704, 1846, 1968, 2132, 2769, 2911, 3198, 3408, 3692, 4264, 5041, 5538, 5822, 6396, 7384, 8528, 8733, 10082, 11076, 11644, 12792, 14768, 15123, 17466, 20164, 22152, 23288, 25584, 30246, 34932, 37843, 40328, 44304, 46576, 60492, 65533, 69864, 75686, 80656, 113529, 120984, 131066, 139728, 151372, 196599, 206681, 227058, 241968, 262132, 302744, 393198, 413362, 454116, 524264, 605488, 620043, 786396, 826724, 908232, 1048528, 1240086, 1572792, 1653448, 1816464, 2480172, 2686853, 3145584, 3306896, 4960344, 5373706, 8060559, 9920688, 10747412, 16121118, 21494824, 32242236, 42989648, 64484472, 128968944]

約数ペア:

[(1, 128968944), (2, 64484472), (3, 42989648), (4, 32242236), (6, 21494824), (8, 16121118), (12, 10747412), (13, 9920688), (16, 8060559), (24, 5373706), (26, 4960344), (39, 3306896), (41, 3145584), (48, 2686853), (52, 2480172), (71, 1816464), (78, 1653448), (82, 1572792), (104, 1240086), (123, 1048528), (142, 908232), (156, 826724), (164, 786396), (208, 620043), (213, 605488), (246, 524264), (284, 454116), (312, 413362), (328, 393198), (426, 302744), (492, 262132), (533, 241968), (568, 227058), (624, 206681), (656, 196599), (852, 151372), (923, 139728), (984, 131066), (1066, 120984), (1136, 113529), (1599, 80656), (1704, 75686), (1846, 69864), (1968, 65533), (2132, 60492), (2769, 46576), (2911, 44304), (3198, 40328), (3408, 37843), (3692, 34932), (4264, 30246), (5041, 25584), (5538, 23288), (5822, 22152), (6396, 20164), (7384, 17466), (8528, 15123), (8733, 14768), (10082, 12792), (11076, 11644)]