255956880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:649

約数の個数: 160

約数和(自身を含む): 838874880

約数和(自身を除く): 582918000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 89, 92, 115, 120, 138, 178, 184, 230, 240, 267, 276, 345, 356, 368, 445, 460, 521, 534, 552, 690, 712, 890, 920, 1042, 1068, 1104, 1335, 1380, 1424, 1563, 1780, 1840, 2047, 2084, 2136, 2605, 2670, 2760, 3126, 3560, 4094, 4168, 4272, 5210, 5340, 5520, 6141, 6252, 7120, 7815, 8188, 8336, 10235, 10420, 10680, 11983, 12282, 12504, 15630, 16376, 20470, 20840, 21360, 23966, 24564, 25008, 30705, 31260, 32752, 35949, 40940, 41680, 46369, 47932, 49128, 59915, 61410, 62520, 71898, 81880, 92738, 95864, 98256, 119830, 122820, 125040, 139107, 143796, 163760, 179745, 185476, 191728, 231845, 239660, 245640, 278214, 287592, 359490, 370952, 463690, 479320, 491280, 556428, 575184, 695535, 718980, 741904, 927380, 958640, 1066487, 1112856, 1391070, 1437960, 1854760, 2132974, 2225712, 2782140, 2875920, 3199461, 3709520, 4265948, 5332435, 5564280, 6398922, 8531896, 10664870, 11128560, 12797844, 15997305, 17063792, 21329740, 25595688, 31994610, 42659480, 51191376, 63989220, 85318960, 127978440, 255956880]

約数ペア:

[(1, 255956880), (2, 127978440), (3, 85318960), (4, 63989220), (5, 51191376), (6, 42659480), (8, 31994610), (10, 25595688), (12, 21329740), (15, 17063792), (16, 15997305), (20, 12797844), (23, 11128560), (24, 10664870), (30, 8531896), (40, 6398922), (46, 5564280), (48, 5332435), (60, 4265948), (69, 3709520), (80, 3199461), (89, 2875920), (92, 2782140), (115, 2225712), (120, 2132974), (138, 1854760), (178, 1437960), (184, 1391070), (230, 1112856), (240, 1066487), (267, 958640), (276, 927380), (345, 741904), (356, 718980), (368, 695535), (445, 575184), (460, 556428), (521, 491280), (534, 479320), (552, 463690), (690, 370952), (712, 359490), (890, 287592), (920, 278214), (1042, 245640), (1068, 239660), (1104, 231845), (1335, 191728), (1380, 185476), (1424, 179745), (1563, 163760), (1780, 143796), (1840, 139107), (2047, 125040), (2084, 122820), (2136, 119830), (2605, 98256), (2670, 95864), (2760, 92738), (3126, 81880), (3560, 71898), (4094, 62520), (4168, 61410), (4272, 59915), (5210, 49128), (5340, 47932), (5520, 46369), (6141, 41680), (6252, 40940), (7120, 35949), (7815, 32752), (8188, 31260), (8336, 30705), (10235, 25008), (10420, 24564), (10680, 23966), (11983, 21360), (12282, 20840), (12504, 20470), (15630, 16376)]