31479120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43721}}^1$

素因数の和:43740

約数の個数: 60

約数和(自身を含む): 105719796

約数和(自身を除く): 74240676

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 43721, 87442, 131163, 174884, 218605, 262326, 349768, 393489, 437210, 524652, 655815, 699536, 786978, 874420, 1049304, 1311630, 1573956, 1748840, 1967445, 2098608, 2623260, 3147912, 3497680, 3934890, 5246520, 6295824, 7869780, 10493040, 15739560, 31479120]

約数ペア:

[(1, 31479120), (2, 15739560), (3, 10493040), (4, 7869780), (5, 6295824), (6, 5246520), (8, 3934890), (9, 3497680), (10, 3147912), (12, 2623260), (15, 2098608), (16, 1967445), (18, 1748840), (20, 1573956), (24, 1311630), (30, 1049304), (36, 874420), (40, 786978), (45, 699536), (48, 655815), (60, 524652), (72, 437210), (80, 393489), (90, 349768), (120, 262326), (144, 218605), (180, 174884), (240, 131163), (360, 87442), (720, 43721)]