40307680

素因数分解:

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

素因数の和:141

約数の個数: 192

約数和(自身を含む): 120839040

約数和(自身を除く): 80531360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 29, 32, 34, 35, 40, 56, 58, 68, 70, 73, 80, 85, 112, 116, 119, 136, 140, 145, 146, 160, 170, 203, 224, 232, 238, 272, 280, 290, 292, 340, 365, 406, 464, 476, 493, 511, 544, 560, 580, 584, 595, 680, 730, 812, 928, 952, 986, 1015, 1022, 1120, 1160, 1168, 1190, 1241, 1360, 1460, 1624, 1904, 1972, 2030, 2044, 2117, 2320, 2336, 2380, 2465, 2482, 2555, 2720, 2920, 3248, 3451, 3808, 3944, 4060, 4088, 4234, 4640, 4760, 4930, 4964, 5110, 5840, 6205, 6496, 6902, 7888, 8120, 8176, 8468, 8687, 9520, 9860, 9928, 10220, 10585, 11680, 12410, 13804, 14819, 15776, 16240, 16352, 16936, 17255, 17374, 19040, 19720, 19856, 20440, 21170, 24820, 27608, 29638, 32480, 33872, 34510, 34748, 35989, 39440, 39712, 40880, 42340, 43435, 49640, 55216, 59276, 67744, 69020, 69496, 71978, 74095, 78880, 81760, 84680, 86870, 99280, 110432, 118552, 138040, 138992, 143956, 148190, 169360, 173740, 179945, 198560, 237104, 251923, 276080, 277984, 287912, 296380, 338720, 347480, 359890, 474208, 503846, 552160, 575824, 592760, 694960, 719780, 1007692, 1151648, 1185520, 1259615, 1389920, 1439560, 2015384, 2371040, 2519230, 2879120, 4030768, 5038460, 5758240, 8061536, 10076920, 20153840, 40307680]

約数ペア:

[(1, 40307680), (2, 20153840), (4, 10076920), (5, 8061536), (7, 5758240), (8, 5038460), (10, 4030768), (14, 2879120), (16, 2519230), (17, 2371040), (20, 2015384), (28, 1439560), (29, 1389920), (32, 1259615), (34, 1185520), (35, 1151648), (40, 1007692), (56, 719780), (58, 694960), (68, 592760), (70, 575824), (73, 552160), (80, 503846), (85, 474208), (112, 359890), (116, 347480), (119, 338720), (136, 296380), (140, 287912), (145, 277984), (146, 276080), (160, 251923), (170, 237104), (203, 198560), (224, 179945), (232, 173740), (238, 169360), (272, 148190), (280, 143956), (290, 138992), (292, 138040), (340, 118552), (365, 110432), (406, 99280), (464, 86870), (476, 84680), (493, 81760), (511, 78880), (544, 74095), (560, 71978), (580, 69496), (584, 69020), (595, 67744), (680, 59276), (730, 55216), (812, 49640), (928, 43435), (952, 42340), (986, 40880), (1015, 39712), (1022, 39440), (1120, 35989), (1160, 34748), (1168, 34510), (1190, 33872), (1241, 32480), (1360, 29638), (1460, 27608), (1624, 24820), (1904, 21170), (1972, 20440), (2030, 19856), (2044, 19720), (2117, 19040), (2320, 17374), (2336, 17255), (2380, 16936), (2465, 16352), (2482, 16240), (2555, 15776), (2720, 14819), (2920, 13804), (3248, 12410), (3451, 11680), (3808, 10585), (3944, 10220), (4060, 9928), (4088, 9860), (4234, 9520), (4640, 8687), (4760, 8468), (4930, 8176), (4964, 8120), (5110, 7888), (5840, 6902), (6205, 6496)]