28323680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1$

素因数の和:74

約数の個数: 192

約数和(自身を含む): 88542720

約数和(自身を除く): 60219040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 88, 95, 110, 112, 121, 133, 140, 152, 154, 160, 176, 190, 209, 220, 224, 242, 266, 280, 304, 308, 352, 380, 385, 418, 440, 484, 532, 560, 605, 608, 616, 665, 760, 770, 836, 847, 880, 968, 1045, 1064, 1120, 1210, 1232, 1330, 1331, 1463, 1520, 1540, 1672, 1694, 1760, 1936, 2090, 2128, 2299, 2420, 2464, 2660, 2662, 2926, 3040, 3080, 3344, 3388, 3872, 4180, 4235, 4256, 4598, 4840, 5320, 5324, 5852, 6160, 6655, 6688, 6776, 7315, 8360, 8470, 9196, 9317, 9680, 10640, 10648, 11495, 11704, 12320, 13310, 13552, 14630, 16093, 16720, 16940, 18392, 18634, 19360, 21280, 21296, 22990, 23408, 25289, 26620, 27104, 29260, 32186, 33440, 33880, 36784, 37268, 42592, 45980, 46585, 46816, 50578, 53240, 58520, 64372, 67760, 73568, 74536, 80465, 91960, 93170, 101156, 106480, 117040, 126445, 128744, 135520, 149072, 160930, 177023, 183920, 186340, 202312, 212960, 234080, 252890, 257488, 298144, 321860, 354046, 367840, 372680, 404624, 505780, 514976, 643720, 708092, 745360, 809248, 885115, 1011560, 1287440, 1416184, 1490720, 1770230, 2023120, 2574880, 2832368, 3540460, 4046240, 5664736, 7080920, 14161840, 28323680]

約数ペア:

[(1, 28323680), (2, 14161840), (4, 7080920), (5, 5664736), (7, 4046240), (8, 3540460), (10, 2832368), (11, 2574880), (14, 2023120), (16, 1770230), (19, 1490720), (20, 1416184), (22, 1287440), (28, 1011560), (32, 885115), (35, 809248), (38, 745360), (40, 708092), (44, 643720), (55, 514976), (56, 505780), (70, 404624), (76, 372680), (77, 367840), (80, 354046), (88, 321860), (95, 298144), (110, 257488), (112, 252890), (121, 234080), (133, 212960), (140, 202312), (152, 186340), (154, 183920), (160, 177023), (176, 160930), (190, 149072), (209, 135520), (220, 128744), (224, 126445), (242, 117040), (266, 106480), (280, 101156), (304, 93170), (308, 91960), (352, 80465), (380, 74536), (385, 73568), (418, 67760), (440, 64372), (484, 58520), (532, 53240), (560, 50578), (605, 46816), (608, 46585), (616, 45980), (665, 42592), (760, 37268), (770, 36784), (836, 33880), (847, 33440), (880, 32186), (968, 29260), (1045, 27104), (1064, 26620), (1120, 25289), (1210, 23408), (1232, 22990), (1330, 21296), (1331, 21280), (1463, 19360), (1520, 18634), (1540, 18392), (1672, 16940), (1694, 16720), (1760, 16093), (1936, 14630), (2090, 13552), (2128, 13310), (2299, 12320), (2420, 11704), (2464, 11495), (2660, 10648), (2662, 10640), (2926, 9680), (3040, 9317), (3080, 9196), (3344, 8470), (3388, 8360), (3872, 7315), (4180, 6776), (4235, 6688), (4256, 6655), (4598, 6160), (4840, 5852), (5320, 5324)]