209972520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 256

約数和(自身を含む): 746496000

約数和(自身を除く): 536523480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 79, 90, 92, 107, 108, 115, 120, 135, 138, 158, 180, 184, 207, 214, 216, 230, 237, 270, 276, 316, 321, 345, 360, 395, 414, 428, 460, 474, 535, 540, 552, 621, 632, 642, 690, 711, 790, 828, 856, 920, 948, 963, 1035, 1070, 1080, 1185, 1242, 1284, 1380, 1422, 1580, 1605, 1656, 1817, 1896, 1926, 2070, 2133, 2140, 2370, 2461, 2484, 2568, 2760, 2844, 2889, 3105, 3160, 3210, 3555, 3634, 3852, 4140, 4266, 4280, 4740, 4815, 4922, 4968, 5451, 5688, 5778, 6210, 6420, 7110, 7268, 7383, 7704, 8280, 8453, 8532, 9085, 9480, 9630, 9844, 10665, 10902, 11556, 12305, 12420, 12840, 14220, 14445, 14536, 14766, 16353, 16906, 17064, 18170, 19260, 19688, 21330, 21804, 22149, 23112, 24610, 24840, 25359, 27255, 28440, 28890, 29532, 32706, 33812, 36340, 36915, 38520, 42265, 42660, 43608, 44298, 49059, 49220, 50718, 54510, 57780, 59064, 65412, 66447, 67624, 72680, 73830, 76077, 81765, 84530, 85320, 88596, 98118, 98440, 101436, 109020, 110745, 115560, 126795, 130824, 132894, 147660, 152154, 163530, 169060, 177192, 194419, 196236, 202872, 218040, 221490, 228231, 245295, 253590, 265788, 295320, 304308, 327060, 332235, 338120, 380385, 388838, 392472, 442980, 456462, 490590, 507180, 531576, 583257, 608616, 654120, 664470, 760770, 777676, 885960, 912924, 972095, 981180, 1014360, 1141155, 1166514, 1328940, 1521540, 1555352, 1749771, 1825848, 1944190, 1962360, 2282310, 2333028, 2657880, 2916285, 3043080, 3499542, 3888380, 4564620, 4666056, 5249313, 5832570, 6999084, 7776760, 8748855, 9129240, 10498626, 11665140, 13998168, 17497710, 20997252, 23330280, 26246565, 34995420, 41994504, 52493130, 69990840, 104986260, 209972520]

約数ペア:

[(1, 209972520), (2, 104986260), (3, 69990840), (4, 52493130), (5, 41994504), (6, 34995420), (8, 26246565), (9, 23330280), (10, 20997252), (12, 17497710), (15, 13998168), (18, 11665140), (20, 10498626), (23, 9129240), (24, 8748855), (27, 7776760), (30, 6999084), (36, 5832570), (40, 5249313), (45, 4666056), (46, 4564620), (54, 3888380), (60, 3499542), (69, 3043080), (72, 2916285), (79, 2657880), (90, 2333028), (92, 2282310), (107, 1962360), (108, 1944190), (115, 1825848), (120, 1749771), (135, 1555352), (138, 1521540), (158, 1328940), (180, 1166514), (184, 1141155), (207, 1014360), (214, 981180), (216, 972095), (230, 912924), (237, 885960), (270, 777676), (276, 760770), (316, 664470), (321, 654120), (345, 608616), (360, 583257), (395, 531576), (414, 507180), (428, 490590), (460, 456462), (474, 442980), (535, 392472), (540, 388838), (552, 380385), (621, 338120), (632, 332235), (642, 327060), (690, 304308), (711, 295320), (790, 265788), (828, 253590), (856, 245295), (920, 228231), (948, 221490), (963, 218040), (1035, 202872), (1070, 196236), (1080, 194419), (1185, 177192), (1242, 169060), (1284, 163530), (1380, 152154), (1422, 147660), (1580, 132894), (1605, 130824), (1656, 126795), (1817, 115560), (1896, 110745), (1926, 109020), (2070, 101436), (2133, 98440), (2140, 98118), (2370, 88596), (2461, 85320), (2484, 84530), (2568, 81765), (2760, 76077), (2844, 73830), (2889, 72680), (3105, 67624), (3160, 66447), (3210, 65412), (3555, 59064), (3634, 57780), (3852, 54510), (4140, 50718), (4266, 49220), (4280, 49059), (4740, 44298), (4815, 43608), (4922, 42660), (4968, 42265), (5451, 38520), (5688, 36915), (5778, 36340), (6210, 33812), (6420, 32706), (7110, 29532), (7268, 28890), (7383, 28440), (7704, 27255), (8280, 25359), (8453, 24840), (8532, 24610), (9085, 23112), (9480, 22149), (9630, 21804), (9844, 21330), (10665, 19688), (10902, 19260), (11556, 18170), (12305, 17064), (12420, 16906), (12840, 16353), (14220, 14766), (14445, 14536)]