378721680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 240

約数和(自身を含む): 1300125120

約数和(自身を除く): 921403440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 23, 24, 30, 38, 40, 46, 48, 57, 60, 69, 76, 80, 92, 95, 114, 115, 120, 138, 152, 157, 184, 190, 228, 230, 240, 276, 285, 304, 314, 345, 368, 380, 437, 456, 460, 471, 529, 552, 570, 628, 690, 760, 785, 874, 912, 920, 942, 1058, 1104, 1140, 1256, 1311, 1380, 1520, 1570, 1587, 1748, 1840, 1884, 2116, 2185, 2280, 2355, 2512, 2622, 2645, 2760, 2983, 3140, 3174, 3496, 3611, 3768, 4232, 4370, 4560, 4710, 5244, 5290, 5520, 5966, 6280, 6348, 6555, 6992, 7222, 7536, 7935, 8464, 8740, 8949, 9420, 10051, 10488, 10580, 10833, 11932, 12560, 12696, 13110, 14444, 14915, 15870, 17480, 17898, 18055, 18840, 20102, 20976, 21160, 21666, 23864, 25392, 26220, 28888, 29830, 30153, 31740, 34960, 35796, 36110, 37680, 40204, 42320, 43332, 44745, 47728, 50255, 52440, 54165, 57776, 59660, 60306, 63480, 68609, 71592, 72220, 80408, 83053, 86664, 89490, 100510, 104880, 108330, 119320, 120612, 126960, 137218, 143184, 144440, 150765, 160816, 166106, 173328, 178980, 201020, 205827, 216660, 238640, 241224, 249159, 274436, 288880, 301530, 332212, 343045, 357960, 402040, 411654, 415265, 433320, 482448, 498318, 548872, 603060, 664424, 686090, 715920, 804080, 823308, 830530, 866640, 996636, 1029135, 1097744, 1206120, 1245795, 1328848, 1372180, 1578007, 1646616, 1661060, 1993272, 2058270, 2412240, 2491590, 2744360, 3156014, 3293232, 3322120, 3986544, 4116540, 4734021, 4983180, 5488720, 6312028, 6644240, 7890035, 8233080, 9468042, 9966360, 12624056, 15780070, 16466160, 18936084, 19932720, 23670105, 25248112, 31560140, 37872168, 47340210, 63120280, 75744336, 94680420, 126240560, 189360840, 378721680]

約数ペア:

[(1, 378721680), (2, 189360840), (3, 126240560), (4, 94680420), (5, 75744336), (6, 63120280), (8, 47340210), (10, 37872168), (12, 31560140), (15, 25248112), (16, 23670105), (19, 19932720), (20, 18936084), (23, 16466160), (24, 15780070), (30, 12624056), (38, 9966360), (40, 9468042), (46, 8233080), (48, 7890035), (57, 6644240), (60, 6312028), (69, 5488720), (76, 4983180), (80, 4734021), (92, 4116540), (95, 3986544), (114, 3322120), (115, 3293232), (120, 3156014), (138, 2744360), (152, 2491590), (157, 2412240), (184, 2058270), (190, 1993272), (228, 1661060), (230, 1646616), (240, 1578007), (276, 1372180), (285, 1328848), (304, 1245795), (314, 1206120), (345, 1097744), (368, 1029135), (380, 996636), (437, 866640), (456, 830530), (460, 823308), (471, 804080), (529, 715920), (552, 686090), (570, 664424), (628, 603060), (690, 548872), (760, 498318), (785, 482448), (874, 433320), (912, 415265), (920, 411654), (942, 402040), (1058, 357960), (1104, 343045), (1140, 332212), (1256, 301530), (1311, 288880), (1380, 274436), (1520, 249159), (1570, 241224), (1587, 238640), (1748, 216660), (1840, 205827), (1884, 201020), (2116, 178980), (2185, 173328), (2280, 166106), (2355, 160816), (2512, 150765), (2622, 144440), (2645, 143184), (2760, 137218), (2983, 126960), (3140, 120612), (3174, 119320), (3496, 108330), (3611, 104880), (3768, 100510), (4232, 89490), (4370, 86664), (4560, 83053), (4710, 80408), (5244, 72220), (5290, 71592), (5520, 68609), (5966, 63480), (6280, 60306), (6348, 59660), (6555, 57776), (6992, 54165), (7222, 52440), (7536, 50255), (7935, 47728), (8464, 44745), (8740, 43332), (8949, 42320), (9420, 40204), (10051, 37680), (10488, 36110), (10580, 35796), (10833, 34960), (11932, 31740), (12560, 30153), (12696, 29830), (13110, 28888), (14444, 26220), (14915, 25392), (15870, 23864), (17480, 21666), (17898, 21160), (18055, 20976), (18840, 20102)]