31148880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{18541}}^1$

素因数の和:18564

約数の個数: 80

約数和(自身を含む): 110361984

約数和(自身を除く): 79213104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 18541, 37082, 55623, 74164, 92705, 111246, 129787, 148328, 185410, 222492, 259574, 278115, 296656, 370820, 389361, 444984, 519148, 556230, 648935, 741640, 778722, 889968, 1038296, 1112460, 1297870, 1483280, 1557444, 1946805, 2076592, 2224920, 2595740, 3114888, 3893610, 4449840, 5191480, 6229776, 7787220, 10382960, 15574440, 31148880]

約数ペア:

[(1, 31148880), (2, 15574440), (3, 10382960), (4, 7787220), (5, 6229776), (6, 5191480), (7, 4449840), (8, 3893610), (10, 3114888), (12, 2595740), (14, 2224920), (15, 2076592), (16, 1946805), (20, 1557444), (21, 1483280), (24, 1297870), (28, 1112460), (30, 1038296), (35, 889968), (40, 778722), (42, 741640), (48, 648935), (56, 556230), (60, 519148), (70, 444984), (80, 389361), (84, 370820), (105, 296656), (112, 278115), (120, 259574), (140, 222492), (168, 185410), (210, 148328), (240, 129787), (280, 111246), (336, 92705), (420, 74164), (560, 55623), (840, 37082), (1680, 18541)]