66848880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{39791}}^1$

素因数の和:39814

約数の個数: 80

約数和(自身を含む): 236841984

約数和(自身を除く): 169993104

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, 39791, 79582, 119373, 159164, 198955, 238746, 278537, 318328, 397910, 477492, 557074, 596865, 636656, 795820, 835611, 954984, 1114148, 1193730, 1392685, 1591640, 1671222, 1909968, 2228296, 2387460, 2785370, 3183280, 3342444, 4178055, 4456592, 4774920, 5570740, 6684888, 8356110, 9549840, 11141480, 13369776, 16712220, 22282960, 33424440, 66848880]

約数ペア:

[(1, 66848880), (2, 33424440), (3, 22282960), (4, 16712220), (5, 13369776), (6, 11141480), (7, 9549840), (8, 8356110), (10, 6684888), (12, 5570740), (14, 4774920), (15, 4456592), (16, 4178055), (20, 3342444), (21, 3183280), (24, 2785370), (28, 2387460), (30, 2228296), (35, 1909968), (40, 1671222), (42, 1591640), (48, 1392685), (56, 1193730), (60, 1114148), (70, 954984), (80, 835611), (84, 795820), (105, 636656), (112, 596865), (120, 557074), (140, 477492), (168, 397910), (210, 318328), (240, 278537), (280, 238746), (336, 198955), (420, 159164), (560, 119373), (840, 79582), (1680, 39791)]