217984920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{6907}}^1$

素因数の和:7184

約数の個数: 64

約数和(自身を含む): 656536320

約数和(自身を除く): 438551400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 526, 789, 1052, 1315, 1578, 2104, 2630, 3156, 3945, 5260, 6312, 6907, 7890, 10520, 13814, 15780, 20721, 27628, 31560, 34535, 41442, 55256, 69070, 82884, 103605, 138140, 165768, 207210, 276280, 414420, 828840, 1816541, 3633082, 5449623, 7266164, 9082705, 10899246, 14532328, 18165410, 21798492, 27248115, 36330820, 43596984, 54496230, 72661640, 108992460, 217984920]

約数ペア:

[(1, 217984920), (2, 108992460), (3, 72661640), (4, 54496230), (5, 43596984), (6, 36330820), (8, 27248115), (10, 21798492), (12, 18165410), (15, 14532328), (20, 10899246), (24, 9082705), (30, 7266164), (40, 5449623), (60, 3633082), (120, 1816541), (263, 828840), (526, 414420), (789, 276280), (1052, 207210), (1315, 165768), (1578, 138140), (2104, 103605), (2630, 82884), (3156, 69070), (3945, 55256), (5260, 41442), (6312, 34535), (6907, 31560), (7890, 27628), (10520, 20721), (13814, 15780)]