156931760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 419437440

約数和(自身を除く): 262505680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 29, 34, 40, 46, 58, 68, 80, 85, 92, 115, 116, 136, 145, 170, 173, 184, 230, 232, 272, 290, 340, 346, 368, 391, 460, 464, 493, 580, 667, 680, 692, 782, 865, 920, 986, 1160, 1334, 1360, 1384, 1564, 1730, 1840, 1955, 1972, 2320, 2465, 2668, 2768, 2941, 3128, 3335, 3460, 3910, 3944, 3979, 4930, 5017, 5336, 5882, 6256, 6670, 6920, 7820, 7888, 7958, 9860, 10034, 10672, 11339, 11764, 13340, 13840, 14705, 15640, 15916, 19720, 19895, 20068, 22678, 23528, 25085, 26680, 29410, 31280, 31832, 39440, 39790, 40136, 45356, 47056, 50170, 53360, 56695, 58820, 63664, 67643, 79580, 80272, 85289, 90712, 100340, 113390, 115391, 117640, 135286, 159160, 170578, 181424, 200680, 226780, 230782, 235280, 270572, 318320, 338215, 341156, 401360, 426445, 453560, 461564, 541144, 576955, 676430, 682312, 852890, 907120, 923128, 1082288, 1153910, 1352860, 1364624, 1705780, 1846256, 1961647, 2307820, 2705720, 3411560, 3923294, 4615640, 5411440, 6823120, 7846588, 9231280, 9808235, 15693176, 19616470, 31386352, 39232940, 78465880, 156931760]

約数ペア:

[(1, 156931760), (2, 78465880), (4, 39232940), (5, 31386352), (8, 19616470), (10, 15693176), (16, 9808235), (17, 9231280), (20, 7846588), (23, 6823120), (29, 5411440), (34, 4615640), (40, 3923294), (46, 3411560), (58, 2705720), (68, 2307820), (80, 1961647), (85, 1846256), (92, 1705780), (115, 1364624), (116, 1352860), (136, 1153910), (145, 1082288), (170, 923128), (173, 907120), (184, 852890), (230, 682312), (232, 676430), (272, 576955), (290, 541144), (340, 461564), (346, 453560), (368, 426445), (391, 401360), (460, 341156), (464, 338215), (493, 318320), (580, 270572), (667, 235280), (680, 230782), (692, 226780), (782, 200680), (865, 181424), (920, 170578), (986, 159160), (1160, 135286), (1334, 117640), (1360, 115391), (1384, 113390), (1564, 100340), (1730, 90712), (1840, 85289), (1955, 80272), (1972, 79580), (2320, 67643), (2465, 63664), (2668, 58820), (2768, 56695), (2941, 53360), (3128, 50170), (3335, 47056), (3460, 45356), (3910, 40136), (3944, 39790), (3979, 39440), (4930, 31832), (5017, 31280), (5336, 29410), (5882, 26680), (6256, 25085), (6670, 23528), (6920, 22678), (7820, 20068), (7888, 19895), (7958, 19720), (9860, 15916), (10034, 15640), (10672, 14705), (11339, 13840), (11764, 13340)]