317806560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{220699}}^1$

素因数の和:220720

約数の個数: 72

約数和(自身を含む): 1084519800

約数和(自身を除く): 766713240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 220699, 441398, 662097, 882796, 1103495, 1324194, 1765592, 1986291, 2206990, 2648388, 3310485, 3531184, 3972582, 4413980, 5296776, 6620970, 7062368, 7945164, 8827960, 9931455, 10593552, 13241940, 15890328, 17655920, 19862910, 21187104, 26483880, 31780656, 35311840, 39725820, 52967760, 63561312, 79451640, 105935520, 158903280, 317806560]

約数ペア:

[(1, 317806560), (2, 158903280), (3, 105935520), (4, 79451640), (5, 63561312), (6, 52967760), (8, 39725820), (9, 35311840), (10, 31780656), (12, 26483880), (15, 21187104), (16, 19862910), (18, 17655920), (20, 15890328), (24, 13241940), (30, 10593552), (32, 9931455), (36, 8827960), (40, 7945164), (45, 7062368), (48, 6620970), (60, 5296776), (72, 4413980), (80, 3972582), (90, 3531184), (96, 3310485), (120, 2648388), (144, 2206990), (160, 1986291), (180, 1765592), (240, 1324194), (288, 1103495), (360, 882796), (480, 662097), (720, 441398), (1440, 220699)]