51791880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61657}}^1$

素因数の和:61678

約数の個数: 64

約数和(自身を含む): 177575040

約数和(自身を除く): 125783160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 61657, 123314, 184971, 246628, 308285, 369942, 431599, 493256, 616570, 739884, 863198, 924855, 1233140, 1294797, 1479768, 1726396, 1849710, 2157995, 2466280, 2589594, 3452792, 3699420, 4315990, 5179188, 6473985, 7398840, 8631980, 10358376, 12947970, 17263960, 25895940, 51791880]

約数ペア:

[(1, 51791880), (2, 25895940), (3, 17263960), (4, 12947970), (5, 10358376), (6, 8631980), (7, 7398840), (8, 6473985), (10, 5179188), (12, 4315990), (14, 3699420), (15, 3452792), (20, 2589594), (21, 2466280), (24, 2157995), (28, 1849710), (30, 1726396), (35, 1479768), (40, 1294797), (42, 1233140), (56, 924855), (60, 863198), (70, 739884), (84, 616570), (105, 493256), (120, 431599), (140, 369942), (168, 308285), (210, 246628), (280, 184971), (420, 123314), (840, 61657)]