268657480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3209}}^1$

素因数の和:3263

約数の個数: 128

約数和(自身を含む): 776563200

約数和(自身を除く): 507905720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 1196, 1288, 1495, 1610, 1820, 2093, 2392, 2990, 3209, 3220, 3640, 4186, 5980, 6418, 6440, 8372, 10465, 11960, 12836, 16045, 16744, 20930, 22463, 25672, 32090, 41717, 41860, 44926, 64180, 73807, 83434, 83720, 89852, 112315, 128360, 147614, 166868, 179704, 208585, 224630, 292019, 295228, 333736, 369035, 417170, 449260, 516649, 584038, 590456, 738070, 834340, 898520, 959491, 1033298, 1168076, 1460095, 1476140, 1668680, 1918982, 2066596, 2336152, 2583245, 2920190, 2952280, 3837964, 4133192, 4797455, 5166490, 5840380, 6716437, 7675928, 9594910, 10332980, 11680760, 13432874, 19189820, 20665960, 26865748, 33582185, 38379640, 53731496, 67164370, 134328740, 268657480]

約数ペア:

[(1, 268657480), (2, 134328740), (4, 67164370), (5, 53731496), (7, 38379640), (8, 33582185), (10, 26865748), (13, 20665960), (14, 19189820), (20, 13432874), (23, 11680760), (26, 10332980), (28, 9594910), (35, 7675928), (40, 6716437), (46, 5840380), (52, 5166490), (56, 4797455), (65, 4133192), (70, 3837964), (91, 2952280), (92, 2920190), (104, 2583245), (115, 2336152), (130, 2066596), (140, 1918982), (161, 1668680), (182, 1476140), (184, 1460095), (230, 1168076), (260, 1033298), (280, 959491), (299, 898520), (322, 834340), (364, 738070), (455, 590456), (460, 584038), (520, 516649), (598, 449260), (644, 417170), (728, 369035), (805, 333736), (910, 295228), (920, 292019), (1196, 224630), (1288, 208585), (1495, 179704), (1610, 166868), (1820, 147614), (2093, 128360), (2392, 112315), (2990, 89852), (3209, 83720), (3220, 83434), (3640, 73807), (4186, 64180), (5980, 44926), (6418, 41860), (6440, 41717), (8372, 32090), (10465, 25672), (11960, 22463), (12836, 20930), (16045, 16744)]