65806680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:361

約数の個数: 128

約数和(自身を含む): 208811520

約数和(自身を除く): 143004840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 113, 115, 120, 138, 184, 211, 226, 230, 276, 339, 345, 422, 452, 460, 552, 565, 633, 678, 690, 844, 904, 920, 1055, 1130, 1266, 1356, 1380, 1688, 1695, 2110, 2260, 2532, 2599, 2712, 2760, 3165, 3390, 4220, 4520, 4853, 5064, 5198, 6330, 6780, 7797, 8440, 9706, 10396, 12660, 12995, 13560, 14559, 15594, 19412, 20792, 23843, 24265, 25320, 25990, 29118, 31188, 38824, 38985, 47686, 48530, 51980, 58236, 62376, 71529, 72795, 77970, 95372, 97060, 103960, 116472, 119215, 143058, 145590, 155940, 190744, 194120, 238430, 286116, 291180, 311880, 357645, 476860, 548389, 572232, 582360, 715290, 953720, 1096778, 1430580, 1645167, 2193556, 2741945, 2861160, 3290334, 4387112, 5483890, 6580668, 8225835, 10967780, 13161336, 16451670, 21935560, 32903340, 65806680]

約数ペア:

[(1, 65806680), (2, 32903340), (3, 21935560), (4, 16451670), (5, 13161336), (6, 10967780), (8, 8225835), (10, 6580668), (12, 5483890), (15, 4387112), (20, 3290334), (23, 2861160), (24, 2741945), (30, 2193556), (40, 1645167), (46, 1430580), (60, 1096778), (69, 953720), (92, 715290), (113, 582360), (115, 572232), (120, 548389), (138, 476860), (184, 357645), (211, 311880), (226, 291180), (230, 286116), (276, 238430), (339, 194120), (345, 190744), (422, 155940), (452, 145590), (460, 143058), (552, 119215), (565, 116472), (633, 103960), (678, 97060), (690, 95372), (844, 77970), (904, 72795), (920, 71529), (1055, 62376), (1130, 58236), (1266, 51980), (1356, 48530), (1380, 47686), (1688, 38985), (1695, 38824), (2110, 31188), (2260, 29118), (2532, 25990), (2599, 25320), (2712, 24265), (2760, 23843), (3165, 20792), (3390, 19412), (4220, 15594), (4520, 14559), (4853, 13560), (5064, 12995), (5198, 12660), (6330, 10396), (6780, 9706), (7797, 8440)]