31478880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{65581}}^1$

素因数の和:65599

約数の個数: 48

約数和(自身を含む): 99159984

約数和(自身を除く): 67681104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 65581, 131162, 196743, 262324, 327905, 393486, 524648, 655810, 786972, 983715, 1049296, 1311620, 1573944, 1967430, 2098592, 2623240, 3147888, 3934860, 5246480, 6295776, 7869720, 10492960, 15739440, 31478880]

約数ペア:

[(1, 31478880), (2, 15739440), (3, 10492960), (4, 7869720), (5, 6295776), (6, 5246480), (8, 3934860), (10, 3147888), (12, 2623240), (15, 2098592), (16, 1967430), (20, 1573944), (24, 1311620), (30, 1049296), (32, 983715), (40, 786972), (48, 655810), (60, 524648), (80, 393486), (96, 327905), (120, 262324), (160, 196743), (240, 131162), (480, 65581)]