28387520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:95

約数の個数: 224

約数和(自身を含む): 87782400

約数和(自身を除く): 59394880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 29, 32, 35, 38, 40, 46, 56, 58, 64, 70, 76, 80, 92, 95, 112, 115, 116, 133, 140, 145, 152, 160, 161, 184, 190, 203, 224, 230, 232, 266, 280, 290, 304, 320, 322, 368, 380, 406, 437, 448, 460, 464, 532, 551, 560, 580, 608, 644, 665, 667, 736, 760, 805, 812, 874, 920, 928, 1015, 1064, 1102, 1120, 1160, 1216, 1288, 1330, 1334, 1472, 1520, 1610, 1624, 1748, 1840, 1856, 2030, 2128, 2185, 2204, 2240, 2320, 2576, 2660, 2668, 2755, 3040, 3059, 3220, 3248, 3335, 3496, 3680, 3857, 4060, 4256, 4370, 4408, 4640, 4669, 5152, 5320, 5336, 5510, 6080, 6118, 6440, 6496, 6670, 6992, 7360, 7714, 8120, 8512, 8740, 8816, 9280, 9338, 10304, 10640, 10672, 11020, 12236, 12673, 12880, 12992, 13340, 13984, 15295, 15428, 16240, 17480, 17632, 18676, 19285, 21280, 21344, 22040, 23345, 24472, 25346, 25760, 26680, 27968, 30590, 30856, 32480, 34960, 35264, 37352, 38570, 42560, 42688, 44080, 46690, 48944, 50692, 51520, 53360, 61180, 61712, 63365, 64960, 69920, 74704, 77140, 88160, 88711, 93380, 97888, 101384, 106720, 122360, 123424, 126730, 139840, 149408, 154280, 176320, 177422, 186760, 195776, 202768, 213440, 244720, 246848, 253460, 298816, 308560, 354844, 373520, 405536, 443555, 489440, 506920, 617120, 709688, 747040, 811072, 887110, 978880, 1013840, 1234240, 1419376, 1494080, 1774220, 2027680, 2838752, 3548440, 4055360, 5677504, 7096880, 14193760, 28387520]

約数ペア:

[(1, 28387520), (2, 14193760), (4, 7096880), (5, 5677504), (7, 4055360), (8, 3548440), (10, 2838752), (14, 2027680), (16, 1774220), (19, 1494080), (20, 1419376), (23, 1234240), (28, 1013840), (29, 978880), (32, 887110), (35, 811072), (38, 747040), (40, 709688), (46, 617120), (56, 506920), (58, 489440), (64, 443555), (70, 405536), (76, 373520), (80, 354844), (92, 308560), (95, 298816), (112, 253460), (115, 246848), (116, 244720), (133, 213440), (140, 202768), (145, 195776), (152, 186760), (160, 177422), (161, 176320), (184, 154280), (190, 149408), (203, 139840), (224, 126730), (230, 123424), (232, 122360), (266, 106720), (280, 101384), (290, 97888), (304, 93380), (320, 88711), (322, 88160), (368, 77140), (380, 74704), (406, 69920), (437, 64960), (448, 63365), (460, 61712), (464, 61180), (532, 53360), (551, 51520), (560, 50692), (580, 48944), (608, 46690), (644, 44080), (665, 42688), (667, 42560), (736, 38570), (760, 37352), (805, 35264), (812, 34960), (874, 32480), (920, 30856), (928, 30590), (1015, 27968), (1064, 26680), (1102, 25760), (1120, 25346), (1160, 24472), (1216, 23345), (1288, 22040), (1330, 21344), (1334, 21280), (1472, 19285), (1520, 18676), (1610, 17632), (1624, 17480), (1748, 16240), (1840, 15428), (1856, 15295), (2030, 13984), (2128, 13340), (2185, 12992), (2204, 12880), (2240, 12673), (2320, 12236), (2576, 11020), (2660, 10672), (2668, 10640), (2755, 10304), (3040, 9338), (3059, 9280), (3220, 8816), (3248, 8740), (3335, 8512), (3496, 8120), (3680, 7714), (3857, 7360), (4060, 6992), (4256, 6670), (4370, 6496), (4408, 6440), (4640, 6118), (4669, 6080), (5152, 5510), (5320, 5336)]