318657840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1787}}^1$

素因数の和:2546

約数の個数: 80

約数和(自身を含む): 989722368

約数和(自身を除く): 671064528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 743, 1486, 1787, 2229, 2972, 3574, 3715, 4458, 5361, 5944, 7148, 7430, 8916, 8935, 10722, 11145, 11888, 14296, 14860, 17832, 17870, 21444, 22290, 26805, 28592, 29720, 35664, 35740, 42888, 44580, 53610, 59440, 71480, 85776, 89160, 107220, 142960, 178320, 214440, 428880, 1327741, 2655482, 3983223, 5310964, 6638705, 7966446, 10621928, 13277410, 15932892, 19916115, 21243856, 26554820, 31865784, 39832230, 53109640, 63731568, 79664460, 106219280, 159328920, 318657840]

約数ペア:

[(1, 318657840), (2, 159328920), (3, 106219280), (4, 79664460), (5, 63731568), (6, 53109640), (8, 39832230), (10, 31865784), (12, 26554820), (15, 21243856), (16, 19916115), (20, 15932892), (24, 13277410), (30, 10621928), (40, 7966446), (48, 6638705), (60, 5310964), (80, 3983223), (120, 2655482), (240, 1327741), (743, 428880), (1486, 214440), (1787, 178320), (2229, 142960), (2972, 107220), (3574, 89160), (3715, 85776), (4458, 71480), (5361, 59440), (5944, 53610), (7148, 44580), (7430, 42888), (8916, 35740), (8935, 35664), (10722, 29720), (11145, 28592), (11888, 26805), (14296, 22290), (14860, 21444), (17832, 17870)]