865983040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:349

約数の個数: 168

約数和(自身を含む): 2275758720

約数和(自身を除く): 1409775680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 67, 80, 104, 130, 134, 160, 169, 208, 239, 260, 268, 320, 335, 338, 416, 478, 520, 536, 670, 676, 832, 845, 871, 956, 1040, 1072, 1195, 1340, 1352, 1690, 1742, 1912, 2080, 2144, 2390, 2680, 2704, 3107, 3380, 3484, 3824, 4160, 4288, 4355, 4780, 5360, 5408, 6214, 6760, 6968, 7648, 8710, 9560, 10720, 10816, 11323, 12428, 13520, 13936, 15296, 15535, 16013, 17420, 19120, 21440, 22646, 24856, 27040, 27872, 31070, 32026, 34840, 38240, 40391, 45292, 49712, 54080, 55744, 56615, 62140, 64052, 69680, 76480, 80065, 80782, 90584, 99424, 113230, 124280, 128104, 139360, 160130, 161564, 181168, 198848, 201955, 208169, 226460, 248560, 256208, 278720, 320260, 323128, 362336, 403910, 416338, 452920, 497120, 512416, 640520, 646256, 724672, 807820, 832676, 905840, 994240, 1024832, 1040845, 1281040, 1292512, 1615640, 1665352, 1811680, 2081690, 2562080, 2585024, 2706197, 3231280, 3330704, 3623360, 4163380, 5124160, 5412394, 6462560, 6661408, 8326760, 10824788, 12925120, 13322816, 13530985, 16653520, 21649576, 27061970, 33307040, 43299152, 54123940, 66614080, 86598304, 108247880, 173196608, 216495760, 432991520, 865983040]

約数ペア:

[(1, 865983040), (2, 432991520), (4, 216495760), (5, 173196608), (8, 108247880), (10, 86598304), (13, 66614080), (16, 54123940), (20, 43299152), (26, 33307040), (32, 27061970), (40, 21649576), (52, 16653520), (64, 13530985), (65, 13322816), (67, 12925120), (80, 10824788), (104, 8326760), (130, 6661408), (134, 6462560), (160, 5412394), (169, 5124160), (208, 4163380), (239, 3623360), (260, 3330704), (268, 3231280), (320, 2706197), (335, 2585024), (338, 2562080), (416, 2081690), (478, 1811680), (520, 1665352), (536, 1615640), (670, 1292512), (676, 1281040), (832, 1040845), (845, 1024832), (871, 994240), (956, 905840), (1040, 832676), (1072, 807820), (1195, 724672), (1340, 646256), (1352, 640520), (1690, 512416), (1742, 497120), (1912, 452920), (2080, 416338), (2144, 403910), (2390, 362336), (2680, 323128), (2704, 320260), (3107, 278720), (3380, 256208), (3484, 248560), (3824, 226460), (4160, 208169), (4288, 201955), (4355, 198848), (4780, 181168), (5360, 161564), (5408, 160130), (6214, 139360), (6760, 128104), (6968, 124280), (7648, 113230), (8710, 99424), (9560, 90584), (10720, 80782), (10816, 80065), (11323, 76480), (12428, 69680), (13520, 64052), (13936, 62140), (15296, 56615), (15535, 55744), (16013, 54080), (17420, 49712), (19120, 45292), (21440, 40391), (22646, 38240), (24856, 34840), (27040, 32026), (27872, 31070)]