28271040

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{601}}^1$

素因数の和:635

約数の個数: 168

約数和(自身を含む): 104589072

約数和(自身を除く): 76318032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 601, 672, 735, 784, 840, 960, 980, 1120, 1176, 1202, 1344, 1470, 1568, 1680, 1803, 1960, 2240, 2352, 2404, 2940, 3005, 3136, 3360, 3606, 3920, 4207, 4704, 4808, 5880, 6010, 6720, 7212, 7840, 8414, 9015, 9408, 9616, 11760, 12020, 12621, 14424, 15680, 16828, 18030, 19232, 21035, 23520, 24040, 25242, 28848, 29449, 33656, 36060, 38464, 42070, 47040, 48080, 50484, 57696, 58898, 63105, 67312, 72120, 84140, 88347, 96160, 100968, 115392, 117796, 126210, 134624, 144240, 147245, 168280, 176694, 192320, 201936, 235592, 252420, 269248, 288480, 294490, 336560, 353388, 403872, 441735, 471184, 504840, 576960, 588980, 673120, 706776, 807744, 883470, 942368, 1009680, 1177960, 1346240, 1413552, 1766940, 1884736, 2019360, 2355920, 2827104, 3533880, 4038720, 4711840, 5654208, 7067760, 9423680, 14135520, 28271040]

約数ペア:

[(1, 28271040), (2, 14135520), (3, 9423680), (4, 7067760), (5, 5654208), (6, 4711840), (7, 4038720), (8, 3533880), (10, 2827104), (12, 2355920), (14, 2019360), (15, 1884736), (16, 1766940), (20, 1413552), (21, 1346240), (24, 1177960), (28, 1009680), (30, 942368), (32, 883470), (35, 807744), (40, 706776), (42, 673120), (48, 588980), (49, 576960), (56, 504840), (60, 471184), (64, 441735), (70, 403872), (80, 353388), (84, 336560), (96, 294490), (98, 288480), (105, 269248), (112, 252420), (120, 235592), (140, 201936), (147, 192320), (160, 176694), (168, 168280), (192, 147245), (196, 144240), (210, 134624), (224, 126210), (240, 117796), (245, 115392), (280, 100968), (294, 96160), (320, 88347), (336, 84140), (392, 72120), (420, 67312), (448, 63105), (480, 58898), (490, 57696), (560, 50484), (588, 48080), (601, 47040), (672, 42070), (735, 38464), (784, 36060), (840, 33656), (960, 29449), (980, 28848), (1120, 25242), (1176, 24040), (1202, 23520), (1344, 21035), (1470, 19232), (1568, 18030), (1680, 16828), (1803, 15680), (1960, 14424), (2240, 12621), (2352, 12020), (2404, 11760), (2940, 9616), (3005, 9408), (3136, 9015), (3360, 8414), (3606, 7840), (3920, 7212), (4207, 6720), (4704, 6010), (4808, 5880)]