66927980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:555

約数の個数: 96

約数和(自身を含む): 173238912

約数和(自身を除く): 106310932

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 61, 68, 70, 85, 119, 122, 140, 170, 238, 244, 305, 340, 427, 461, 476, 595, 610, 854, 922, 1037, 1190, 1220, 1708, 1844, 2074, 2135, 2305, 2380, 3227, 4148, 4270, 4610, 5185, 6454, 7259, 7837, 8540, 9220, 10370, 12908, 14518, 15674, 16135, 20740, 28121, 29036, 31348, 32270, 36295, 39185, 54859, 56242, 64540, 72590, 78370, 109718, 112484, 140605, 145180, 156740, 196847, 219436, 274295, 281210, 393694, 478057, 548590, 562420, 787388, 956114, 984235, 1097180, 1912228, 1968470, 2390285, 3346399, 3936940, 4780570, 6692798, 9561140, 13385596, 16731995, 33463990, 66927980]

約数ペア:

[(1, 66927980), (2, 33463990), (4, 16731995), (5, 13385596), (7, 9561140), (10, 6692798), (14, 4780570), (17, 3936940), (20, 3346399), (28, 2390285), (34, 1968470), (35, 1912228), (61, 1097180), (68, 984235), (70, 956114), (85, 787388), (119, 562420), (122, 548590), (140, 478057), (170, 393694), (238, 281210), (244, 274295), (305, 219436), (340, 196847), (427, 156740), (461, 145180), (476, 140605), (595, 112484), (610, 109718), (854, 78370), (922, 72590), (1037, 64540), (1190, 56242), (1220, 54859), (1708, 39185), (1844, 36295), (2074, 32270), (2135, 31348), (2305, 29036), (2380, 28121), (3227, 20740), (4148, 16135), (4270, 15674), (4610, 14518), (5185, 12908), (6454, 10370), (7259, 9220), (7837, 8540)]