142768640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 160

約数和(自身を含む): 405402624

約数和(自身を除く): 262633984

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, 1028, 1085, 1120, 1240, 1280, 1285, 1736, 1792, 1799, 1984, 2056, 2170, 2240, 2480, 2560, 2570, 3472, 3584, 3598, 3968, 4112, 4340, 4480, 4960, 5140, 6944, 7196, 7936, 7967, 8224, 8680, 8960, 8995, 9920, 10280, 13888, 14392, 15872, 15934, 16448, 17360, 17920, 17990, 19840, 20560, 27776, 28784, 31868, 32896, 34720, 35980, 39680, 39835, 41120, 55552, 55769, 57568, 63736, 65792, 69440, 71960, 79360, 79670, 82240, 111104, 111538, 115136, 127472, 131584, 138880, 143920, 159340, 164480, 223076, 230272, 254944, 277760, 278845, 287840, 318680, 328960, 446152, 460544, 509888, 555520, 557690, 575680, 637360, 657920, 892304, 921088, 1019776, 1115380, 1151360, 1274720, 1784608, 2039552, 2230760, 2302720, 2549440, 3569216, 4079104, 4461520, 4605440, 5098880, 7138432, 8923040, 10197760, 14276864, 17846080, 20395520, 28553728, 35692160, 71384320, 142768640]

約数ペア:

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