16801120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2143}}^1$

素因数の和:2172

約数の個数: 72

約数和(自身を含む): 46194624

約数和(自身を除く): 29393504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2143, 3920, 4286, 7840, 8572, 10715, 15001, 17144, 21430, 30002, 34288, 42860, 60004, 68576, 75005, 85720, 105007, 120008, 150010, 171440, 210014, 240016, 300020, 342880, 420028, 480032, 525035, 600040, 840056, 1050070, 1200080, 1680112, 2100140, 2400160, 3360224, 4200280, 8400560, 16801120]

約数ペア:

[(1, 16801120), (2, 8400560), (4, 4200280), (5, 3360224), (7, 2400160), (8, 2100140), (10, 1680112), (14, 1200080), (16, 1050070), (20, 840056), (28, 600040), (32, 525035), (35, 480032), (40, 420028), (49, 342880), (56, 300020), (70, 240016), (80, 210014), (98, 171440), (112, 150010), (140, 120008), (160, 105007), (196, 85720), (224, 75005), (245, 68576), (280, 60004), (392, 42860), (490, 34288), (560, 30002), (784, 21430), (980, 17144), (1120, 15001), (1568, 10715), (1960, 8572), (2143, 7840), (3920, 4286)]