285537280

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 176

約数和(自身を含む): 811201536

約数和(自身を除く): 525664256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 257, 280, 310, 320, 434, 448, 496, 512, 514, 560, 620, 640, 868, 896, 992, 1024, 1028, 1085, 1120, 1240, 1280, 1285, 1736, 1792, 1799, 1984, 2056, 2170, 2240, 2480, 2560, 2570, 3472, 3584, 3598, 3968, 4112, 4340, 4480, 4960, 5120, 5140, 6944, 7168, 7196, 7936, 7967, 8224, 8680, 8960, 8995, 9920, 10280, 13888, 14392, 15872, 15934, 16448, 17360, 17920, 17990, 19840, 20560, 27776, 28784, 31744, 31868, 32896, 34720, 35840, 35980, 39680, 39835, 41120, 55552, 55769, 57568, 63736, 65792, 69440, 71960, 79360, 79670, 82240, 111104, 111538, 115136, 127472, 131584, 138880, 143920, 158720, 159340, 164480, 222208, 223076, 230272, 254944, 263168, 277760, 278845, 287840, 318680, 328960, 446152, 460544, 509888, 555520, 557690, 575680, 637360, 657920, 892304, 921088, 1019776, 1111040, 1115380, 1151360, 1274720, 1315840, 1784608, 1842176, 2039552, 2230760, 2302720, 2549440, 3569216, 4079104, 4461520, 4605440, 5098880, 7138432, 8158208, 8923040, 9210880, 10197760, 14276864, 17846080, 20395520, 28553728, 35692160, 40791040, 57107456, 71384320, 142768640, 285537280]

約数ペア:

[(1, 285537280), (2, 142768640), (4, 71384320), (5, 57107456), (7, 40791040), (8, 35692160), (10, 28553728), (14, 20395520), (16, 17846080), (20, 14276864), (28, 10197760), (31, 9210880), (32, 8923040), (35, 8158208), (40, 7138432), (56, 5098880), (62, 4605440), (64, 4461520), (70, 4079104), (80, 3569216), (112, 2549440), (124, 2302720), (128, 2230760), (140, 2039552), (155, 1842176), (160, 1784608), (217, 1315840), (224, 1274720), (248, 1151360), (256, 1115380), (257, 1111040), (280, 1019776), (310, 921088), (320, 892304), (434, 657920), (448, 637360), (496, 575680), (512, 557690), (514, 555520), (560, 509888), (620, 460544), (640, 446152), (868, 328960), (896, 318680), (992, 287840), (1024, 278845), (1028, 277760), (1085, 263168), (1120, 254944), (1240, 230272), (1280, 223076), (1285, 222208), (1736, 164480), (1792, 159340), (1799, 158720), (1984, 143920), (2056, 138880), (2170, 131584), (2240, 127472), (2480, 115136), (2560, 111538), (2570, 111104), (3472, 82240), (3584, 79670), (3598, 79360), (3968, 71960), (4112, 69440), (4340, 65792), (4480, 63736), (4960, 57568), (5120, 55769), (5140, 55552), (6944, 41120), (7168, 39835), (7196, 39680), (7936, 35980), (7967, 35840), (8224, 34720), (8680, 32896), (8960, 31868), (8995, 31744), (9920, 28784), (10280, 27776), (13888, 20560), (14392, 19840), (15872, 17990), (15934, 17920), (16448, 17360)]