31236720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{829}}^1$

素因数の和:1002

約数の個数: 80

約数和(自身を含む): 97568160

約数和(自身を除く): 66331440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 829, 942, 1256, 1570, 1658, 1884, 2355, 2487, 2512, 3140, 3316, 3768, 4145, 4710, 4974, 6280, 6632, 7536, 8290, 9420, 9948, 12435, 12560, 13264, 16580, 18840, 19896, 24870, 33160, 37680, 39792, 49740, 66320, 99480, 130153, 198960, 260306, 390459, 520612, 650765, 780918, 1041224, 1301530, 1561836, 1952295, 2082448, 2603060, 3123672, 3904590, 5206120, 6247344, 7809180, 10412240, 15618360, 31236720]

約数ペア:

[(1, 31236720), (2, 15618360), (3, 10412240), (4, 7809180), (5, 6247344), (6, 5206120), (8, 3904590), (10, 3123672), (12, 2603060), (15, 2082448), (16, 1952295), (20, 1561836), (24, 1301530), (30, 1041224), (40, 780918), (48, 650765), (60, 520612), (80, 390459), (120, 260306), (157, 198960), (240, 130153), (314, 99480), (471, 66320), (628, 49740), (785, 39792), (829, 37680), (942, 33160), (1256, 24870), (1570, 19896), (1658, 18840), (1884, 16580), (2355, 13264), (2487, 12560), (2512, 12435), (3140, 9948), (3316, 9420), (3768, 8290), (4145, 7536), (4710, 6632), (4974, 6280)]