1820187840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1367}}^1$

素因数の和:1479

約数の個数: 224

約数和(自身を含む): 6171102720

約数和(自身を除く): 4350914880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 73, 76, 80, 95, 96, 114, 120, 146, 152, 160, 190, 192, 219, 228, 240, 285, 292, 304, 320, 365, 380, 438, 456, 480, 570, 584, 608, 730, 760, 876, 912, 960, 1095, 1140, 1168, 1216, 1367, 1387, 1460, 1520, 1752, 1824, 2190, 2280, 2336, 2734, 2774, 2920, 3040, 3504, 3648, 4101, 4161, 4380, 4560, 4672, 5468, 5548, 5840, 6080, 6835, 6935, 7008, 8202, 8322, 8760, 9120, 10936, 11096, 11680, 13670, 13870, 14016, 16404, 16644, 17520, 18240, 20505, 20805, 21872, 22192, 23360, 25973, 27340, 27740, 32808, 33288, 35040, 41010, 41610, 43744, 44384, 51946, 54680, 55480, 65616, 66576, 70080, 77919, 82020, 83220, 87488, 88768, 99791, 103892, 109360, 110960, 129865, 131232, 133152, 155838, 164040, 166440, 199582, 207784, 218720, 221920, 259730, 262464, 266304, 299373, 311676, 328080, 332880, 389595, 399164, 415568, 437440, 443840, 498955, 519460, 598746, 623352, 656160, 665760, 779190, 798328, 831136, 997910, 1038920, 1197492, 1246704, 1312320, 1331520, 1496865, 1558380, 1596656, 1662272, 1896029, 1995820, 2077840, 2394984, 2493408, 2993730, 3116760, 3193312, 3792058, 3991640, 4155680, 4789968, 4986816, 5688087, 5987460, 6233520, 6386624, 7584116, 7983280, 8311360, 9480145, 9579936, 11376174, 11974920, 12467040, 15168232, 15966560, 18960290, 19159872, 22752348, 23949840, 24934080, 28440435, 30336464, 31933120, 37920580, 45504696, 47899680, 56880870, 60672928, 75841160, 91009392, 95799360, 113761740, 121345856, 151682320, 182018784, 227523480, 303364640, 364037568, 455046960, 606729280, 910093920, 1820187840]

約数ペア:

[(1, 1820187840), (2, 910093920), (3, 606729280), (4, 455046960), (5, 364037568), (6, 303364640), (8, 227523480), (10, 182018784), (12, 151682320), (15, 121345856), (16, 113761740), (19, 95799360), (20, 91009392), (24, 75841160), (30, 60672928), (32, 56880870), (38, 47899680), (40, 45504696), (48, 37920580), (57, 31933120), (60, 30336464), (64, 28440435), (73, 24934080), (76, 23949840), (80, 22752348), (95, 19159872), (96, 18960290), (114, 15966560), (120, 15168232), (146, 12467040), (152, 11974920), (160, 11376174), (190, 9579936), (192, 9480145), (219, 8311360), (228, 7983280), (240, 7584116), (285, 6386624), (292, 6233520), (304, 5987460), (320, 5688087), (365, 4986816), (380, 4789968), (438, 4155680), (456, 3991640), (480, 3792058), (570, 3193312), (584, 3116760), (608, 2993730), (730, 2493408), (760, 2394984), (876, 2077840), (912, 1995820), (960, 1896029), (1095, 1662272), (1140, 1596656), (1168, 1558380), (1216, 1496865), (1367, 1331520), (1387, 1312320), (1460, 1246704), (1520, 1197492), (1752, 1038920), (1824, 997910), (2190, 831136), (2280, 798328), (2336, 779190), (2734, 665760), (2774, 656160), (2920, 623352), (3040, 598746), (3504, 519460), (3648, 498955), (4101, 443840), (4161, 437440), (4380, 415568), (4560, 399164), (4672, 389595), (5468, 332880), (5548, 328080), (5840, 311676), (6080, 299373), (6835, 266304), (6935, 262464), (7008, 259730), (8202, 221920), (8322, 218720), (8760, 207784), (9120, 199582), (10936, 166440), (11096, 164040), (11680, 155838), (13670, 133152), (13870, 131232), (14016, 129865), (16404, 110960), (16644, 109360), (17520, 103892), (18240, 99791), (20505, 88768), (20805, 87488), (21872, 83220), (22192, 82020), (23360, 77919), (25973, 70080), (27340, 66576), (27740, 65616), (32808, 55480), (33288, 54680), (35040, 51946), (41010, 44384), (41610, 43744)]