11989760

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:86

約数の個数: 144

約数和(自身を含む): 33112800

約数和(自身を除く): 21123040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 29, 32, 34, 38, 40, 58, 64, 68, 76, 80, 85, 95, 116, 128, 136, 145, 152, 160, 170, 190, 232, 256, 272, 290, 304, 320, 323, 340, 380, 464, 493, 544, 551, 580, 608, 640, 646, 680, 760, 928, 986, 1088, 1102, 1160, 1216, 1280, 1292, 1360, 1520, 1615, 1856, 1972, 2176, 2204, 2320, 2432, 2465, 2584, 2720, 2755, 3040, 3230, 3712, 3944, 4352, 4408, 4640, 4864, 4930, 5168, 5440, 5510, 6080, 6460, 7424, 7888, 8816, 9280, 9367, 9860, 10336, 10880, 11020, 12160, 12920, 15776, 17632, 18560, 18734, 19720, 20672, 21760, 22040, 24320, 25840, 31552, 35264, 37120, 37468, 39440, 41344, 44080, 46835, 51680, 63104, 70528, 74936, 78880, 82688, 88160, 93670, 103360, 126208, 141056, 149872, 157760, 176320, 187340, 206720, 299744, 315520, 352640, 374680, 413440, 599488, 631040, 705280, 749360, 1198976, 1498720, 2397952, 2997440, 5994880, 11989760]

約数ペア:

[(1, 11989760), (2, 5994880), (4, 2997440), (5, 2397952), (8, 1498720), (10, 1198976), (16, 749360), (17, 705280), (19, 631040), (20, 599488), (29, 413440), (32, 374680), (34, 352640), (38, 315520), (40, 299744), (58, 206720), (64, 187340), (68, 176320), (76, 157760), (80, 149872), (85, 141056), (95, 126208), (116, 103360), (128, 93670), (136, 88160), (145, 82688), (152, 78880), (160, 74936), (170, 70528), (190, 63104), (232, 51680), (256, 46835), (272, 44080), (290, 41344), (304, 39440), (320, 37468), (323, 37120), (340, 35264), (380, 31552), (464, 25840), (493, 24320), (544, 22040), (551, 21760), (580, 20672), (608, 19720), (640, 18734), (646, 18560), (680, 17632), (760, 15776), (928, 12920), (986, 12160), (1088, 11020), (1102, 10880), (1160, 10336), (1216, 9860), (1280, 9367), (1292, 9280), (1360, 8816), (1520, 7888), (1615, 7424), (1856, 6460), (1972, 6080), (2176, 5510), (2204, 5440), (2320, 5168), (2432, 4930), (2465, 4864), (2584, 4640), (2720, 4408), (2755, 4352), (3040, 3944), (3230, 3712)]