639967176

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{439}}^1$

素因数の和:868

約数の個数: 128

約数和(自身を含む): 1891296000

約数和(自身を除く): 1251328824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 102, 108, 136, 153, 204, 216, 306, 397, 408, 439, 459, 612, 794, 878, 918, 1191, 1224, 1317, 1588, 1756, 1836, 2382, 2634, 3176, 3512, 3573, 3672, 3951, 4764, 5268, 6749, 7146, 7463, 7902, 9528, 10536, 10719, 11853, 13498, 14292, 14926, 15804, 20247, 21438, 22389, 23706, 26996, 28584, 29852, 31608, 40494, 42876, 44778, 47412, 53992, 59704, 60741, 67167, 80988, 85752, 89556, 94824, 121482, 134334, 161976, 174283, 179112, 182223, 201501, 242964, 268668, 348566, 364446, 403002, 485928, 522849, 537336, 697132, 728892, 806004, 1045698, 1394264, 1457784, 1568547, 1612008, 2091396, 2962811, 3137094, 4182792, 4705641, 5925622, 6274188, 8888433, 9411282, 11851244, 12548376, 17776866, 18822564, 23702488, 26665299, 35553732, 37645128, 53330598, 71107464, 79995897, 106661196, 159991794, 213322392, 319983588, 639967176]

約数ペア:

[(1, 639967176), (2, 319983588), (3, 213322392), (4, 159991794), (6, 106661196), (8, 79995897), (9, 71107464), (12, 53330598), (17, 37645128), (18, 35553732), (24, 26665299), (27, 23702488), (34, 18822564), (36, 17776866), (51, 12548376), (54, 11851244), (68, 9411282), (72, 8888433), (102, 6274188), (108, 5925622), (136, 4705641), (153, 4182792), (204, 3137094), (216, 2962811), (306, 2091396), (397, 1612008), (408, 1568547), (439, 1457784), (459, 1394264), (612, 1045698), (794, 806004), (878, 728892), (918, 697132), (1191, 537336), (1224, 522849), (1317, 485928), (1588, 403002), (1756, 364446), (1836, 348566), (2382, 268668), (2634, 242964), (3176, 201501), (3512, 182223), (3573, 179112), (3672, 174283), (3951, 161976), (4764, 134334), (5268, 121482), (6749, 94824), (7146, 89556), (7463, 85752), (7902, 80988), (9528, 67167), (10536, 60741), (10719, 59704), (11853, 53992), (13498, 47412), (14292, 44778), (14926, 42876), (15804, 40494), (20247, 31608), (21438, 29852), (22389, 28584), (23706, 26996)]