279142720

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 168

約数和(自身を含む): 743324904

約数和(自身を除く): 464182184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 97, 115, 136, 160, 170, 184, 194, 230, 272, 320, 340, 368, 388, 391, 460, 485, 529, 544, 680, 736, 776, 782, 920, 970, 1058, 1088, 1360, 1472, 1552, 1564, 1649, 1840, 1940, 1955, 2116, 2231, 2645, 2720, 3104, 3128, 3298, 3680, 3880, 3910, 4232, 4462, 5290, 5440, 6208, 6256, 6596, 7360, 7760, 7820, 8245, 8464, 8924, 8993, 10580, 11155, 12512, 13192, 15520, 15640, 16490, 16928, 17848, 17986, 21160, 22310, 25024, 26384, 31040, 31280, 32980, 33856, 35696, 35972, 37927, 42320, 44620, 44965, 51313, 52768, 62560, 65960, 71392, 71944, 75854, 84640, 89240, 89930, 102626, 105536, 125120, 131920, 142784, 143888, 151708, 169280, 178480, 179860, 189635, 205252, 256565, 263840, 287776, 303416, 356960, 359720, 379270, 410504, 513130, 527680, 575552, 606832, 713920, 719440, 758540, 821008, 872321, 1026260, 1213664, 1438880, 1517080, 1642016, 1744642, 2052520, 2427328, 2877760, 3034160, 3284032, 3489284, 4105040, 4361605, 6068320, 6978568, 8210080, 8723210, 12136640, 13957136, 16420160, 17446420, 27914272, 34892840, 55828544, 69785680, 139571360, 279142720]

約数ペア:

[(1, 279142720), (2, 139571360), (4, 69785680), (5, 55828544), (8, 34892840), (10, 27914272), (16, 17446420), (17, 16420160), (20, 13957136), (23, 12136640), (32, 8723210), (34, 8210080), (40, 6978568), (46, 6068320), (64, 4361605), (68, 4105040), (80, 3489284), (85, 3284032), (92, 3034160), (97, 2877760), (115, 2427328), (136, 2052520), (160, 1744642), (170, 1642016), (184, 1517080), (194, 1438880), (230, 1213664), (272, 1026260), (320, 872321), (340, 821008), (368, 758540), (388, 719440), (391, 713920), (460, 606832), (485, 575552), (529, 527680), (544, 513130), (680, 410504), (736, 379270), (776, 359720), (782, 356960), (920, 303416), (970, 287776), (1058, 263840), (1088, 256565), (1360, 205252), (1472, 189635), (1552, 179860), (1564, 178480), (1649, 169280), (1840, 151708), (1940, 143888), (1955, 142784), (2116, 131920), (2231, 125120), (2645, 105536), (2720, 102626), (3104, 89930), (3128, 89240), (3298, 84640), (3680, 75854), (3880, 71944), (3910, 71392), (4232, 65960), (4462, 62560), (5290, 52768), (5440, 51313), (6208, 44965), (6256, 44620), (6596, 42320), (7360, 37927), (7760, 35972), (7820, 35696), (8245, 33856), (8464, 32980), (8924, 31280), (8993, 31040), (10580, 26384), (11155, 25024), (12512, 22310), (13192, 21160), (15520, 17986), (15640, 17848), (16490, 16928)]