209946960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:290

約数の個数: 240

約数和(自身を含む): 754416000

約数和(自身を除く): 544469040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 103, 114, 120, 144, 149, 152, 171, 180, 190, 206, 228, 240, 285, 298, 304, 309, 342, 360, 380, 412, 447, 456, 515, 570, 596, 618, 684, 720, 745, 760, 824, 855, 894, 912, 927, 1030, 1140, 1192, 1236, 1341, 1368, 1490, 1520, 1545, 1648, 1710, 1788, 1854, 1957, 2060, 2235, 2280, 2384, 2472, 2682, 2736, 2831, 2980, 3090, 3420, 3576, 3708, 3914, 4120, 4470, 4560, 4635, 4944, 5364, 5662, 5871, 5960, 6180, 6705, 6840, 7152, 7416, 7828, 8240, 8493, 8940, 9270, 9785, 10728, 11324, 11742, 11920, 12360, 13410, 13680, 14155, 14832, 15347, 15656, 16986, 17613, 17880, 18540, 19570, 21456, 22648, 23484, 24720, 25479, 26820, 28310, 29355, 30694, 31312, 33972, 35226, 35760, 37080, 39140, 42465, 45296, 46041, 46968, 50958, 53640, 56620, 58710, 61388, 67944, 70452, 74160, 76735, 78280, 84930, 88065, 92082, 93936, 101916, 107280, 113240, 117420, 122776, 127395, 135888, 138123, 140904, 153470, 156560, 169860, 176130, 184164, 203832, 226480, 230205, 234840, 245552, 254790, 276246, 281808, 291593, 306940, 339720, 352260, 368328, 407664, 460410, 469680, 509580, 552492, 583186, 613880, 679440, 690615, 704520, 736656, 874779, 920820, 1019160, 1104984, 1166372, 1227760, 1381230, 1409040, 1457965, 1749558, 1841640, 2038320, 2209968, 2332744, 2624337, 2762460, 2915930, 3499116, 3683280, 4373895, 4665488, 5248674, 5524920, 5831860, 6998232, 8747790, 10497348, 11049840, 11663720, 13121685, 13996464, 17495580, 20994696, 23327440, 26243370, 34991160, 41989392, 52486740, 69982320, 104973480, 209946960]

約数ペア:

[(1, 209946960), (2, 104973480), (3, 69982320), (4, 52486740), (5, 41989392), (6, 34991160), (8, 26243370), (9, 23327440), (10, 20994696), (12, 17495580), (15, 13996464), (16, 13121685), (18, 11663720), (19, 11049840), (20, 10497348), (24, 8747790), (30, 6998232), (36, 5831860), (38, 5524920), (40, 5248674), (45, 4665488), (48, 4373895), (57, 3683280), (60, 3499116), (72, 2915930), (76, 2762460), (80, 2624337), (90, 2332744), (95, 2209968), (103, 2038320), (114, 1841640), (120, 1749558), (144, 1457965), (149, 1409040), (152, 1381230), (171, 1227760), (180, 1166372), (190, 1104984), (206, 1019160), (228, 920820), (240, 874779), (285, 736656), (298, 704520), (304, 690615), (309, 679440), (342, 613880), (360, 583186), (380, 552492), (412, 509580), (447, 469680), (456, 460410), (515, 407664), (570, 368328), (596, 352260), (618, 339720), (684, 306940), (720, 291593), (745, 281808), (760, 276246), (824, 254790), (855, 245552), (894, 234840), (912, 230205), (927, 226480), (1030, 203832), (1140, 184164), (1192, 176130), (1236, 169860), (1341, 156560), (1368, 153470), (1490, 140904), (1520, 138123), (1545, 135888), (1648, 127395), (1710, 122776), (1788, 117420), (1854, 113240), (1957, 107280), (2060, 101916), (2235, 93936), (2280, 92082), (2384, 88065), (2472, 84930), (2682, 78280), (2736, 76735), (2831, 74160), (2980, 70452), (3090, 67944), (3420, 61388), (3576, 58710), (3708, 56620), (3914, 53640), (4120, 50958), (4470, 46968), (4560, 46041), (4635, 45296), (4944, 42465), (5364, 39140), (5662, 37080), (5871, 35760), (5960, 35226), (6180, 33972), (6705, 31312), (6840, 30694), (7152, 29355), (7416, 28310), (7828, 26820), (8240, 25479), (8493, 24720), (8940, 23484), (9270, 22648), (9785, 21456), (10728, 19570), (11324, 18540), (11742, 17880), (11920, 17613), (12360, 16986), (13410, 15656), (13680, 15347), (14155, 14832)]