9781120

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 128

約数和(自身を含む): 26438400

約数和(自身を除く): 16657280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 31, 32, 34, 40, 58, 62, 64, 68, 80, 85, 116, 124, 128, 136, 145, 155, 160, 170, 232, 248, 272, 290, 310, 320, 340, 464, 493, 496, 527, 544, 580, 620, 640, 680, 899, 928, 986, 992, 1054, 1088, 1160, 1240, 1360, 1798, 1856, 1972, 1984, 2108, 2176, 2320, 2465, 2480, 2635, 2720, 3596, 3712, 3944, 3968, 4216, 4495, 4640, 4930, 4960, 5270, 5440, 7192, 7888, 8432, 8990, 9280, 9860, 9920, 10540, 10880, 14384, 15283, 15776, 16864, 17980, 18560, 19720, 19840, 21080, 28768, 30566, 31552, 33728, 35960, 39440, 42160, 57536, 61132, 63104, 67456, 71920, 76415, 78880, 84320, 115072, 122264, 143840, 152830, 157760, 168640, 244528, 287680, 305660, 315520, 337280, 489056, 575360, 611320, 978112, 1222640, 1956224, 2445280, 4890560, 9781120]

約数ペア:

[(1, 9781120), (2, 4890560), (4, 2445280), (5, 1956224), (8, 1222640), (10, 978112), (16, 611320), (17, 575360), (20, 489056), (29, 337280), (31, 315520), (32, 305660), (34, 287680), (40, 244528), (58, 168640), (62, 157760), (64, 152830), (68, 143840), (80, 122264), (85, 115072), (116, 84320), (124, 78880), (128, 76415), (136, 71920), (145, 67456), (155, 63104), (160, 61132), (170, 57536), (232, 42160), (248, 39440), (272, 35960), (290, 33728), (310, 31552), (320, 30566), (340, 28768), (464, 21080), (493, 19840), (496, 19720), (527, 18560), (544, 17980), (580, 16864), (620, 15776), (640, 15283), (680, 14384), (899, 10880), (928, 10540), (986, 9920), (992, 9860), (1054, 9280), (1088, 8990), (1160, 8432), (1240, 7888), (1360, 7192), (1798, 5440), (1856, 5270), (1972, 4960), (1984, 4930), (2108, 4640), (2176, 4495), (2320, 4216), (2465, 3968), (2480, 3944), (2635, 3712), (2720, 3596)]