1498720

素因数分解:

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

素因数の和:80

約数の個数: 96

約数和(自身を含む): 4082400

約数和(自身を除く): 2583680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 29, 32, 34, 38, 40, 58, 68, 76, 80, 85, 95, 116, 136, 145, 152, 160, 170, 190, 232, 272, 290, 304, 323, 340, 380, 464, 493, 544, 551, 580, 608, 646, 680, 760, 928, 986, 1102, 1160, 1292, 1360, 1520, 1615, 1972, 2204, 2320, 2465, 2584, 2720, 2755, 3040, 3230, 3944, 4408, 4640, 4930, 5168, 5510, 6460, 7888, 8816, 9367, 9860, 10336, 11020, 12920, 15776, 17632, 18734, 19720, 22040, 25840, 37468, 39440, 44080, 46835, 51680, 74936, 78880, 88160, 93670, 149872, 187340, 299744, 374680, 749360, 1498720]

約数ペア:

[(1, 1498720), (2, 749360), (4, 374680), (5, 299744), (8, 187340), (10, 149872), (16, 93670), (17, 88160), (19, 78880), (20, 74936), (29, 51680), (32, 46835), (34, 44080), (38, 39440), (40, 37468), (58, 25840), (68, 22040), (76, 19720), (80, 18734), (85, 17632), (95, 15776), (116, 12920), (136, 11020), (145, 10336), (152, 9860), (160, 9367), (170, 8816), (190, 7888), (232, 6460), (272, 5510), (290, 5168), (304, 4930), (323, 4640), (340, 4408), (380, 3944), (464, 3230), (493, 3040), (544, 2755), (551, 2720), (580, 2584), (608, 2465), (646, 2320), (680, 2204), (760, 1972), (928, 1615), (986, 1520), (1102, 1360), (1160, 1292)]