210099720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2143}}^1$

素因数の和:2219

約数の個数: 128

約数和(自身を含む): 679219200

約数和(自身を除く): 469119480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 43, 57, 60, 76, 86, 95, 114, 120, 129, 152, 172, 190, 215, 228, 258, 285, 344, 380, 430, 456, 516, 570, 645, 760, 817, 860, 1032, 1140, 1290, 1634, 1720, 2143, 2280, 2451, 2580, 3268, 4085, 4286, 4902, 5160, 6429, 6536, 8170, 8572, 9804, 10715, 12255, 12858, 16340, 17144, 19608, 21430, 24510, 25716, 32145, 32680, 40717, 42860, 49020, 51432, 64290, 81434, 85720, 92149, 98040, 122151, 128580, 162868, 184298, 203585, 244302, 257160, 276447, 325736, 368596, 407170, 460745, 488604, 552894, 610755, 737192, 814340, 921490, 977208, 1105788, 1221510, 1382235, 1628680, 1750831, 1842980, 2211576, 2443020, 2764470, 3501662, 3685960, 4886040, 5252493, 5528940, 7003324, 8754155, 10504986, 11057880, 14006648, 17508310, 21009972, 26262465, 35016620, 42019944, 52524930, 70033240, 105049860, 210099720]

約数ペア:

[(1, 210099720), (2, 105049860), (3, 70033240), (4, 52524930), (5, 42019944), (6, 35016620), (8, 26262465), (10, 21009972), (12, 17508310), (15, 14006648), (19, 11057880), (20, 10504986), (24, 8754155), (30, 7003324), (38, 5528940), (40, 5252493), (43, 4886040), (57, 3685960), (60, 3501662), (76, 2764470), (86, 2443020), (95, 2211576), (114, 1842980), (120, 1750831), (129, 1628680), (152, 1382235), (172, 1221510), (190, 1105788), (215, 977208), (228, 921490), (258, 814340), (285, 737192), (344, 610755), (380, 552894), (430, 488604), (456, 460745), (516, 407170), (570, 368596), (645, 325736), (760, 276447), (817, 257160), (860, 244302), (1032, 203585), (1140, 184298), (1290, 162868), (1634, 128580), (1720, 122151), (2143, 98040), (2280, 92149), (2451, 85720), (2580, 81434), (3268, 64290), (4085, 51432), (4286, 49020), (4902, 42860), (5160, 40717), (6429, 32680), (6536, 32145), (8170, 25716), (8572, 24510), (9804, 21430), (10715, 19608), (12255, 17144), (12858, 16340)]