61388880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{36541}}^1$

素因数の和:36564

約数の個数: 80

約数和(自身を含む): 217497984

約数和(自身を除く): 156109104

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, 36541, 73082, 109623, 146164, 182705, 219246, 255787, 292328, 365410, 438492, 511574, 548115, 584656, 730820, 767361, 876984, 1023148, 1096230, 1278935, 1461640, 1534722, 1753968, 2046296, 2192460, 2557870, 2923280, 3069444, 3836805, 4092592, 4384920, 5115740, 6138888, 7673610, 8769840, 10231480, 12277776, 15347220, 20462960, 30694440, 61388880]

約数ペア:

[(1, 61388880), (2, 30694440), (3, 20462960), (4, 15347220), (5, 12277776), (6, 10231480), (7, 8769840), (8, 7673610), (10, 6138888), (12, 5115740), (14, 4384920), (15, 4092592), (16, 3836805), (20, 3069444), (21, 2923280), (24, 2557870), (28, 2192460), (30, 2046296), (35, 1753968), (40, 1534722), (42, 1461640), (48, 1278935), (56, 1096230), (60, 1023148), (70, 876984), (80, 767361), (84, 730820), (105, 584656), (112, 548115), (120, 511574), (140, 438492), (168, 365410), (210, 292328), (240, 255787), (280, 219246), (336, 182705), (420, 146164), (560, 109623), (840, 73082), (1680, 36541)]