161230720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 256

約数和(自身を含む): 489110400

約数和(自身を除く): 327879680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 29, 32, 34, 35, 40, 56, 58, 64, 68, 70, 73, 80, 85, 112, 116, 119, 128, 136, 140, 145, 146, 160, 170, 203, 224, 232, 238, 272, 280, 290, 292, 320, 340, 365, 406, 448, 464, 476, 493, 511, 544, 560, 580, 584, 595, 640, 680, 730, 812, 896, 928, 952, 986, 1015, 1022, 1088, 1120, 1160, 1168, 1190, 1241, 1360, 1460, 1624, 1856, 1904, 1972, 2030, 2044, 2117, 2176, 2240, 2320, 2336, 2380, 2465, 2482, 2555, 2720, 2920, 3248, 3451, 3712, 3808, 3944, 4060, 4088, 4234, 4480, 4640, 4672, 4760, 4930, 4964, 5110, 5440, 5840, 6205, 6496, 6902, 7616, 7888, 8120, 8176, 8468, 8687, 9280, 9344, 9520, 9860, 9928, 10220, 10585, 10880, 11680, 12410, 12992, 13804, 14819, 15232, 15776, 16240, 16352, 16936, 17255, 17374, 18560, 19040, 19720, 19856, 20440, 21170, 23360, 24820, 25984, 27608, 29638, 31552, 32480, 32704, 33872, 34510, 34748, 35989, 38080, 39440, 39712, 40880, 42340, 43435, 46720, 49640, 55216, 59276, 63104, 64960, 65408, 67744, 69020, 69496, 71978, 74095, 76160, 78880, 79424, 81760, 84680, 86870, 99280, 110432, 118552, 129920, 135488, 138040, 138992, 143956, 148190, 157760, 158848, 163520, 169360, 173740, 179945, 198560, 220864, 237104, 251923, 270976, 276080, 277984, 287912, 296380, 315520, 327040, 338720, 347480, 359890, 397120, 441728, 474208, 503846, 552160, 555968, 575824, 592760, 677440, 694960, 719780, 794240, 948416, 1007692, 1104320, 1111936, 1151648, 1185520, 1259615, 1354880, 1389920, 1439560, 1896832, 2015384, 2208640, 2303296, 2371040, 2519230, 2779840, 2879120, 4030768, 4606592, 4742080, 5038460, 5559680, 5758240, 8061536, 9484160, 10076920, 11516480, 16123072, 20153840, 23032960, 32246144, 40307680, 80615360, 161230720]

約数ペア:

[(1, 161230720), (2, 80615360), (4, 40307680), (5, 32246144), (7, 23032960), (8, 20153840), (10, 16123072), (14, 11516480), (16, 10076920), (17, 9484160), (20, 8061536), (28, 5758240), (29, 5559680), (32, 5038460), (34, 4742080), (35, 4606592), (40, 4030768), (56, 2879120), (58, 2779840), (64, 2519230), (68, 2371040), (70, 2303296), (73, 2208640), (80, 2015384), (85, 1896832), (112, 1439560), (116, 1389920), (119, 1354880), (128, 1259615), (136, 1185520), (140, 1151648), (145, 1111936), (146, 1104320), (160, 1007692), (170, 948416), (203, 794240), (224, 719780), (232, 694960), (238, 677440), (272, 592760), (280, 575824), (290, 555968), (292, 552160), (320, 503846), (340, 474208), (365, 441728), (406, 397120), (448, 359890), (464, 347480), (476, 338720), (493, 327040), (511, 315520), (544, 296380), (560, 287912), (580, 277984), (584, 276080), (595, 270976), (640, 251923), (680, 237104), (730, 220864), (812, 198560), (896, 179945), (928, 173740), (952, 169360), (986, 163520), (1015, 158848), (1022, 157760), (1088, 148190), (1120, 143956), (1160, 138992), (1168, 138040), (1190, 135488), (1241, 129920), (1360, 118552), (1460, 110432), (1624, 99280), (1856, 86870), (1904, 84680), (1972, 81760), (2030, 79424), (2044, 78880), (2117, 76160), (2176, 74095), (2240, 71978), (2320, 69496), (2336, 69020), (2380, 67744), (2465, 65408), (2482, 64960), (2555, 63104), (2720, 59276), (2920, 55216), (3248, 49640), (3451, 46720), (3712, 43435), (3808, 42340), (3944, 40880), (4060, 39712), (4088, 39440), (4234, 38080), (4480, 35989), (4640, 34748), (4672, 34510), (4760, 33872), (4930, 32704), (4964, 32480), (5110, 31552), (5440, 29638), (5840, 27608), (6205, 25984), (6496, 24820), (6902, 23360), (7616, 21170), (7888, 20440), (8120, 19856), (8176, 19720), (8468, 19040), (8687, 18560), (9280, 17374), (9344, 17255), (9520, 16936), (9860, 16352), (9928, 16240), (10220, 15776), (10585, 15232), (10880, 14819), (11680, 13804), (12410, 12992)]