31128800

素因数分解:

$2^5\times 5^2\times {\mathrm{167}}^1\times {\mathrm{233}}^1$

素因数の和:420

約数の個数: 72

約数和(自身を含む): 76776336

約数和(自身を除く): 45647536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 167, 200, 233, 334, 400, 466, 668, 800, 835, 932, 1165, 1336, 1670, 1864, 2330, 2672, 3340, 3728, 4175, 4660, 5344, 5825, 6680, 7456, 8350, 9320, 11650, 13360, 16700, 18640, 23300, 26720, 33400, 37280, 38911, 46600, 66800, 77822, 93200, 133600, 155644, 186400, 194555, 311288, 389110, 622576, 778220, 972775, 1245152, 1556440, 1945550, 3112880, 3891100, 6225760, 7782200, 15564400, 31128800]

約数ペア:

[(1, 31128800), (2, 15564400), (4, 7782200), (5, 6225760), (8, 3891100), (10, 3112880), (16, 1945550), (20, 1556440), (25, 1245152), (32, 972775), (40, 778220), (50, 622576), (80, 389110), (100, 311288), (160, 194555), (167, 186400), (200, 155644), (233, 133600), (334, 93200), (400, 77822), (466, 66800), (668, 46600), (800, 38911), (835, 37280), (932, 33400), (1165, 26720), (1336, 23300), (1670, 18640), (1864, 16700), (2330, 13360), (2672, 11650), (3340, 9320), (3728, 8350), (4175, 7456), (4660, 6680), (5344, 5825)]