170721180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 288

約数和(自身を含む): 636539904

約数和(自身を除く): 465818724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 43, 45, 46, 60, 63, 69, 70, 84, 86, 90, 92, 105, 115, 126, 129, 137, 138, 140, 161, 172, 180, 207, 210, 215, 230, 252, 258, 274, 276, 301, 315, 322, 345, 387, 411, 414, 420, 430, 460, 483, 516, 548, 602, 630, 644, 645, 685, 690, 774, 805, 822, 828, 860, 903, 959, 966, 989, 1035, 1204, 1233, 1260, 1290, 1370, 1380, 1449, 1505, 1548, 1610, 1644, 1806, 1918, 1932, 1935, 1978, 2055, 2070, 2415, 2466, 2580, 2709, 2740, 2877, 2898, 2967, 3010, 3151, 3220, 3612, 3836, 3870, 3956, 4110, 4140, 4515, 4795, 4830, 4932, 4945, 5418, 5754, 5796, 5891, 5934, 6020, 6165, 6302, 6923, 7245, 7740, 8220, 8631, 8901, 9030, 9453, 9590, 9660, 9890, 10836, 11508, 11782, 11868, 12330, 12604, 13545, 13846, 14385, 14490, 14835, 15755, 17262, 17673, 17802, 18060, 18906, 19180, 19780, 20769, 22057, 23564, 24660, 27090, 27692, 28359, 28770, 28980, 29455, 29670, 31510, 34524, 34615, 35346, 35604, 37812, 41237, 41538, 43155, 44114, 44505, 47265, 53019, 54180, 56718, 57540, 58910, 59340, 62307, 63020, 66171, 69230, 70692, 82474, 83076, 86310, 88228, 88365, 89010, 94530, 103845, 106038, 110285, 113436, 117820, 123711, 124614, 132342, 135493, 138460, 141795, 164948, 172620, 176730, 178020, 189060, 198513, 206185, 207690, 212076, 220570, 247422, 249228, 264684, 265095, 270986, 283590, 311535, 330855, 353460, 371133, 397026, 406479, 412370, 415380, 441140, 494844, 530190, 541972, 567180, 618555, 623070, 661710, 677465, 742266, 794052, 812958, 824740, 948451, 992565, 1060380, 1219437, 1237110, 1246140, 1323420, 1354930, 1484532, 1625916, 1855665, 1896902, 1985130, 2032395, 2438874, 2474220, 2709860, 2845353, 3711330, 3793804, 3970260, 4064790, 4742255, 4877748, 5690706, 6097185, 7422660, 8129580, 8536059, 9484510, 11381412, 12194370, 14226765, 17072118, 18969020, 24388740, 28453530, 34144236, 42680295, 56907060, 85360590, 170721180]

約数ペア:

[(1, 170721180), (2, 85360590), (3, 56907060), (4, 42680295), (5, 34144236), (6, 28453530), (7, 24388740), (9, 18969020), (10, 17072118), (12, 14226765), (14, 12194370), (15, 11381412), (18, 9484510), (20, 8536059), (21, 8129580), (23, 7422660), (28, 6097185), (30, 5690706), (35, 4877748), (36, 4742255), (42, 4064790), (43, 3970260), (45, 3793804), (46, 3711330), (60, 2845353), (63, 2709860), (69, 2474220), (70, 2438874), (84, 2032395), (86, 1985130), (90, 1896902), (92, 1855665), (105, 1625916), (115, 1484532), (126, 1354930), (129, 1323420), (137, 1246140), (138, 1237110), (140, 1219437), (161, 1060380), (172, 992565), (180, 948451), (207, 824740), (210, 812958), (215, 794052), (230, 742266), (252, 677465), (258, 661710), (274, 623070), (276, 618555), (301, 567180), (315, 541972), (322, 530190), (345, 494844), (387, 441140), (411, 415380), (414, 412370), (420, 406479), (430, 397026), (460, 371133), (483, 353460), (516, 330855), (548, 311535), (602, 283590), (630, 270986), (644, 265095), (645, 264684), (685, 249228), (690, 247422), (774, 220570), (805, 212076), (822, 207690), (828, 206185), (860, 198513), (903, 189060), (959, 178020), (966, 176730), (989, 172620), (1035, 164948), (1204, 141795), (1233, 138460), (1260, 135493), (1290, 132342), (1370, 124614), (1380, 123711), (1449, 117820), (1505, 113436), (1548, 110285), (1610, 106038), (1644, 103845), (1806, 94530), (1918, 89010), (1932, 88365), (1935, 88228), (1978, 86310), (2055, 83076), (2070, 82474), (2415, 70692), (2466, 69230), (2580, 66171), (2709, 63020), (2740, 62307), (2877, 59340), (2898, 58910), (2967, 57540), (3010, 56718), (3151, 54180), (3220, 53019), (3612, 47265), (3836, 44505), (3870, 44114), (3956, 43155), (4110, 41538), (4140, 41237), (4515, 37812), (4795, 35604), (4830, 35346), (4932, 34615), (4945, 34524), (5418, 31510), (5754, 29670), (5796, 29455), (5891, 28980), (5934, 28770), (6020, 28359), (6165, 27692), (6302, 27090), (6923, 24660), (7245, 23564), (7740, 22057), (8220, 20769), (8631, 19780), (8901, 19180), (9030, 18906), (9453, 18060), (9590, 17802), (9660, 17673), (9890, 17262), (10836, 15755), (11508, 14835), (11782, 14490), (11868, 14385), (12330, 13846), (12604, 13545)]