320316720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78509}}^1$

素因数の和:78542

約数の個数: 80

約数和(自身を含む): 1051405920

約数和(自身を除く): 731089200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 78509, 157018, 235527, 314036, 392545, 471054, 628072, 785090, 942108, 1177635, 1256144, 1334653, 1570180, 1884216, 2355270, 2669306, 3140360, 3768432, 4003959, 4710540, 5338612, 6280720, 6673265, 8007918, 9421080, 10677224, 13346530, 16015836, 18842160, 20019795, 21354448, 26693060, 32031672, 40039590, 53386120, 64063344, 80079180, 106772240, 160158360, 320316720]

約数ペア:

[(1, 320316720), (2, 160158360), (3, 106772240), (4, 80079180), (5, 64063344), (6, 53386120), (8, 40039590), (10, 32031672), (12, 26693060), (15, 21354448), (16, 20019795), (17, 18842160), (20, 16015836), (24, 13346530), (30, 10677224), (34, 9421080), (40, 8007918), (48, 6673265), (51, 6280720), (60, 5338612), (68, 4710540), (80, 4003959), (85, 3768432), (102, 3140360), (120, 2669306), (136, 2355270), (170, 1884216), (204, 1570180), (240, 1334653), (255, 1256144), (272, 1177635), (340, 942108), (408, 785090), (510, 628072), (680, 471054), (816, 392545), (1020, 314036), (1360, 235527), (2040, 157018), (4080, 78509)]