319914720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{222163}}^1$

素因数の和:222184

約数の個数: 72

約数和(自身を含む): 1091713896

約数和(自身を除く): 771799176

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, 222163, 444326, 666489, 888652, 1110815, 1332978, 1777304, 1999467, 2221630, 2665956, 3332445, 3554608, 3998934, 4443260, 5331912, 6664890, 7109216, 7997868, 8886520, 9997335, 10663824, 13329780, 15995736, 17773040, 19994670, 21327648, 26659560, 31991472, 35546080, 39989340, 53319120, 63982944, 79978680, 106638240, 159957360, 319914720]

約数ペア:

[(1, 319914720), (2, 159957360), (3, 106638240), (4, 79978680), (5, 63982944), (6, 53319120), (8, 39989340), (9, 35546080), (10, 31991472), (12, 26659560), (15, 21327648), (16, 19994670), (18, 17773040), (20, 15995736), (24, 13329780), (30, 10663824), (32, 9997335), (36, 8886520), (40, 7997868), (45, 7109216), (48, 6664890), (60, 5331912), (72, 4443260), (80, 3998934), (90, 3554608), (96, 3332445), (120, 2665956), (144, 2221630), (160, 1999467), (180, 1777304), (240, 1332978), (288, 1110815), (360, 888652), (480, 666489), (720, 444326), (1440, 222163)]