256487040

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{14843}}^1$

素因数の和:14871

約数の個数: 128

約数和(自身を含む): 908452800

約数和(自身を除く): 651965760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 14843, 17280, 29686, 44529, 59372, 74215, 89058, 118744, 133587, 148430, 178116, 222645, 237488, 267174, 296860, 356232, 400761, 445290, 474976, 534348, 593720, 667935, 712464, 801522, 890580, 949952, 1068696, 1187440, 1335870, 1424928, 1603044, 1781160, 1899904, 2003805, 2137392, 2374880, 2671740, 2849856, 3206088, 3562320, 4007610, 4274784, 4749760, 5343480, 5699712, 6412176, 7124640, 8015220, 8549568, 9499520, 10686960, 12824352, 14249280, 16030440, 17099136, 21373920, 25648704, 28498560, 32060880, 42747840, 51297408, 64121760, 85495680, 128243520, 256487040]

約数ペア:

[(1, 256487040), (2, 128243520), (3, 85495680), (4, 64121760), (5, 51297408), (6, 42747840), (8, 32060880), (9, 28498560), (10, 25648704), (12, 21373920), (15, 17099136), (16, 16030440), (18, 14249280), (20, 12824352), (24, 10686960), (27, 9499520), (30, 8549568), (32, 8015220), (36, 7124640), (40, 6412176), (45, 5699712), (48, 5343480), (54, 4749760), (60, 4274784), (64, 4007610), (72, 3562320), (80, 3206088), (90, 2849856), (96, 2671740), (108, 2374880), (120, 2137392), (128, 2003805), (135, 1899904), (144, 1781160), (160, 1603044), (180, 1424928), (192, 1335870), (216, 1187440), (240, 1068696), (270, 949952), (288, 890580), (320, 801522), (360, 712464), (384, 667935), (432, 593720), (480, 534348), (540, 474976), (576, 445290), (640, 400761), (720, 356232), (864, 296860), (960, 267174), (1080, 237488), (1152, 222645), (1440, 178116), (1728, 148430), (1920, 133587), (2160, 118744), (2880, 89058), (3456, 74215), (4320, 59372), (5760, 44529), (8640, 29686), (14843, 17280)]