284686640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{31}}^2$

素因数の和:128

約数の個数: 180

約数和(自身を含む): 817103952

約数和(自身を除く): 532417312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 80, 92, 112, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 368, 434, 460, 496, 529, 560, 620, 644, 713, 805, 868, 920, 961, 1058, 1085, 1240, 1288, 1426, 1610, 1736, 1840, 1922, 2116, 2170, 2480, 2576, 2645, 2852, 3220, 3472, 3565, 3703, 3844, 4232, 4340, 4805, 4991, 5290, 5704, 6440, 6727, 7130, 7406, 7688, 8464, 8680, 9610, 9982, 10580, 11408, 12880, 13454, 14260, 14812, 15376, 16399, 17360, 18515, 19220, 19964, 21160, 22103, 24955, 26908, 28520, 29624, 32798, 33635, 37030, 38440, 39928, 42320, 44206, 49910, 53816, 57040, 59248, 65596, 67270, 74060, 76880, 79856, 81995, 88412, 99820, 107632, 110515, 114793, 131192, 134540, 148120, 154721, 163990, 176824, 199640, 221030, 229586, 262384, 269080, 296240, 309442, 327980, 353648, 399280, 442060, 459172, 508369, 538160, 573965, 618884, 655960, 773605, 884120, 918344, 1016738, 1147930, 1237768, 1311920, 1547210, 1768240, 1836688, 2033476, 2295860, 2475536, 2541845, 3094420, 3558583, 4066952, 4591720, 5083690, 6188840, 7117166, 8133904, 9183440, 10167380, 12377680, 14234332, 17792915, 20334760, 28468664, 35585830, 40669520, 56937328, 71171660, 142343320, 284686640]

約数ペア:

[(1, 284686640), (2, 142343320), (4, 71171660), (5, 56937328), (7, 40669520), (8, 35585830), (10, 28468664), (14, 20334760), (16, 17792915), (20, 14234332), (23, 12377680), (28, 10167380), (31, 9183440), (35, 8133904), (40, 7117166), (46, 6188840), (56, 5083690), (62, 4591720), (70, 4066952), (80, 3558583), (92, 3094420), (112, 2541845), (115, 2475536), (124, 2295860), (140, 2033476), (155, 1836688), (161, 1768240), (184, 1547210), (217, 1311920), (230, 1237768), (248, 1147930), (280, 1016738), (310, 918344), (322, 884120), (368, 773605), (434, 655960), (460, 618884), (496, 573965), (529, 538160), (560, 508369), (620, 459172), (644, 442060), (713, 399280), (805, 353648), (868, 327980), (920, 309442), (961, 296240), (1058, 269080), (1085, 262384), (1240, 229586), (1288, 221030), (1426, 199640), (1610, 176824), (1736, 163990), (1840, 154721), (1922, 148120), (2116, 134540), (2170, 131192), (2480, 114793), (2576, 110515), (2645, 107632), (2852, 99820), (3220, 88412), (3472, 81995), (3565, 79856), (3703, 76880), (3844, 74060), (4232, 67270), (4340, 65596), (4805, 59248), (4991, 57040), (5290, 53816), (5704, 49910), (6440, 44206), (6727, 42320), (7130, 39928), (7406, 38440), (7688, 37030), (8464, 33635), (8680, 32798), (9610, 29624), (9982, 28520), (10580, 26908), (11408, 24955), (12880, 22103), (13454, 21160), (14260, 19964), (14812, 19220), (15376, 18515), (16399, 17360)]