18707040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1181}}^1$

素因数の和:1213

約数の個数: 144

約数和(自身を含む): 69700176

約数和(自身を除く): 50993136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1181, 1320, 1440, 1584, 1760, 1980, 2362, 2640, 3168, 3543, 3960, 4724, 5280, 5905, 7086, 7920, 9448, 10629, 11810, 12991, 14172, 15840, 17715, 18896, 21258, 23620, 25982, 28344, 35430, 37792, 38973, 42516, 47240, 51964, 53145, 56688, 64955, 70860, 77946, 85032, 94480, 103928, 106290, 113376, 116919, 129910, 141720, 155892, 170064, 188960, 194865, 207856, 212580, 233838, 259820, 283440, 311784, 340128, 389730, 415712, 425160, 467676, 519640, 566880, 584595, 623568, 779460, 850320, 935352, 1039280, 1169190, 1247136, 1558920, 1700640, 1870704, 2078560, 2338380, 3117840, 3741408, 4676760, 6235680, 9353520, 18707040]

約数ペア:

[(1, 18707040), (2, 9353520), (3, 6235680), (4, 4676760), (5, 3741408), (6, 3117840), (8, 2338380), (9, 2078560), (10, 1870704), (11, 1700640), (12, 1558920), (15, 1247136), (16, 1169190), (18, 1039280), (20, 935352), (22, 850320), (24, 779460), (30, 623568), (32, 584595), (33, 566880), (36, 519640), (40, 467676), (44, 425160), (45, 415712), (48, 389730), (55, 340128), (60, 311784), (66, 283440), (72, 259820), (80, 233838), (88, 212580), (90, 207856), (96, 194865), (99, 188960), (110, 170064), (120, 155892), (132, 141720), (144, 129910), (160, 116919), (165, 113376), (176, 106290), (180, 103928), (198, 94480), (220, 85032), (240, 77946), (264, 70860), (288, 64955), (330, 56688), (352, 53145), (360, 51964), (396, 47240), (440, 42516), (480, 38973), (495, 37792), (528, 35430), (660, 28344), (720, 25982), (792, 23620), (880, 21258), (990, 18896), (1056, 17715), (1181, 15840), (1320, 14172), (1440, 12991), (1584, 11810), (1760, 10629), (1980, 9448), (2362, 7920), (2640, 7086), (3168, 5905), (3543, 5280), (3960, 4724)]