78349040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 244270080

約数和(自身を除く): 165921040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 35, 40, 44, 46, 49, 55, 56, 70, 77, 79, 80, 88, 92, 98, 110, 112, 115, 140, 154, 158, 161, 176, 184, 196, 220, 230, 245, 253, 280, 308, 316, 322, 368, 385, 392, 395, 440, 460, 490, 506, 539, 553, 560, 616, 632, 644, 770, 784, 790, 805, 869, 880, 920, 980, 1012, 1078, 1106, 1127, 1232, 1264, 1265, 1288, 1540, 1580, 1610, 1738, 1771, 1817, 1840, 1960, 2024, 2156, 2212, 2254, 2530, 2576, 2695, 2765, 3080, 3160, 3220, 3476, 3542, 3634, 3871, 3920, 4048, 4312, 4345, 4424, 4508, 5060, 5390, 5530, 5635, 6083, 6160, 6320, 6440, 6952, 7084, 7268, 7742, 8624, 8690, 8848, 8855, 9016, 9085, 10120, 10780, 11060, 11270, 12166, 12397, 12719, 12880, 13904, 14168, 14536, 15484, 17380, 17710, 18032, 18170, 19355, 19987, 20240, 21560, 22120, 22540, 24332, 24794, 25438, 28336, 29072, 30415, 30968, 34760, 35420, 36340, 38710, 39974, 42581, 43120, 44240, 45080, 48664, 49588, 50876, 60830, 61936, 61985, 63595, 69520, 70840, 72680, 77420, 79948, 85162, 89033, 90160, 97328, 99176, 99935, 101752, 121660, 123970, 127190, 139909, 141680, 145360, 154840, 159896, 170324, 178066, 198352, 199870, 203504, 212905, 243320, 247940, 254380, 279818, 309680, 319792, 340648, 356132, 399740, 425810, 445165, 486640, 495880, 508760, 559636, 681296, 699545, 712264, 799480, 851620, 890330, 979363, 991760, 1017520, 1119272, 1399090, 1424528, 1598960, 1703240, 1780660, 1958726, 2238544, 2798180, 3406480, 3561320, 3917452, 4896815, 5596360, 7122640, 7834904, 9793630, 11192720, 15669808, 19587260, 39174520, 78349040]

約数ペア:

[(1, 78349040), (2, 39174520), (4, 19587260), (5, 15669808), (7, 11192720), (8, 9793630), (10, 7834904), (11, 7122640), (14, 5596360), (16, 4896815), (20, 3917452), (22, 3561320), (23, 3406480), (28, 2798180), (35, 2238544), (40, 1958726), (44, 1780660), (46, 1703240), (49, 1598960), (55, 1424528), (56, 1399090), (70, 1119272), (77, 1017520), (79, 991760), (80, 979363), (88, 890330), (92, 851620), (98, 799480), (110, 712264), (112, 699545), (115, 681296), (140, 559636), (154, 508760), (158, 495880), (161, 486640), (176, 445165), (184, 425810), (196, 399740), (220, 356132), (230, 340648), (245, 319792), (253, 309680), (280, 279818), (308, 254380), (316, 247940), (322, 243320), (368, 212905), (385, 203504), (392, 199870), (395, 198352), (440, 178066), (460, 170324), (490, 159896), (506, 154840), (539, 145360), (553, 141680), (560, 139909), (616, 127190), (632, 123970), (644, 121660), (770, 101752), (784, 99935), (790, 99176), (805, 97328), (869, 90160), (880, 89033), (920, 85162), (980, 79948), (1012, 77420), (1078, 72680), (1106, 70840), (1127, 69520), (1232, 63595), (1264, 61985), (1265, 61936), (1288, 60830), (1540, 50876), (1580, 49588), (1610, 48664), (1738, 45080), (1771, 44240), (1817, 43120), (1840, 42581), (1960, 39974), (2024, 38710), (2156, 36340), (2212, 35420), (2254, 34760), (2530, 30968), (2576, 30415), (2695, 29072), (2765, 28336), (3080, 25438), (3160, 24794), (3220, 24332), (3476, 22540), (3542, 22120), (3634, 21560), (3871, 20240), (3920, 19987), (4048, 19355), (4312, 18170), (4345, 18032), (4424, 17710), (4508, 17380), (5060, 15484), (5390, 14536), (5530, 14168), (5635, 13904), (6083, 12880), (6160, 12719), (6320, 12397), (6440, 12166), (6952, 11270), (7084, 11060), (7268, 10780), (7742, 10120), (8624, 9085), (8690, 9016), (8848, 8855)]