221073240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{463}}^1$

素因数の和:673

約数の個数: 128

約数和(自身を含む): 697559040

約数和(自身を除く): 476485800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 173, 184, 230, 276, 345, 346, 460, 463, 519, 552, 690, 692, 865, 920, 926, 1038, 1380, 1384, 1389, 1730, 1852, 2076, 2315, 2595, 2760, 2778, 3460, 3704, 3979, 4152, 4630, 5190, 5556, 6920, 6945, 7958, 9260, 10380, 10649, 11112, 11937, 13890, 15916, 18520, 19895, 20760, 21298, 23874, 27780, 31832, 31947, 39790, 42596, 47748, 53245, 55560, 59685, 63894, 79580, 80099, 85192, 95496, 106490, 119370, 127788, 159160, 159735, 160198, 212980, 238740, 240297, 255576, 319470, 320396, 400495, 425960, 477480, 480594, 638940, 640792, 800990, 961188, 1201485, 1277880, 1601980, 1842277, 1922376, 2402970, 3203960, 3684554, 4805940, 5526831, 7369108, 9211385, 9611880, 11053662, 14738216, 18422770, 22107324, 27634155, 36845540, 44214648, 55268310, 73691080, 110536620, 221073240]

約数ペア:

[(1, 221073240), (2, 110536620), (3, 73691080), (4, 55268310), (5, 44214648), (6, 36845540), (8, 27634155), (10, 22107324), (12, 18422770), (15, 14738216), (20, 11053662), (23, 9611880), (24, 9211385), (30, 7369108), (40, 5526831), (46, 4805940), (60, 3684554), (69, 3203960), (92, 2402970), (115, 1922376), (120, 1842277), (138, 1601980), (173, 1277880), (184, 1201485), (230, 961188), (276, 800990), (345, 640792), (346, 638940), (460, 480594), (463, 477480), (519, 425960), (552, 400495), (690, 320396), (692, 319470), (865, 255576), (920, 240297), (926, 238740), (1038, 212980), (1380, 160198), (1384, 159735), (1389, 159160), (1730, 127788), (1852, 119370), (2076, 106490), (2315, 95496), (2595, 85192), (2760, 80099), (2778, 79580), (3460, 63894), (3704, 59685), (3979, 55560), (4152, 53245), (4630, 47748), (5190, 42596), (5556, 39790), (6920, 31947), (6945, 31832), (7958, 27780), (9260, 23874), (10380, 21298), (10649, 20760), (11112, 19895), (11937, 18520), (13890, 15916)]