66708840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 220993920

約数和(自身を除く): 154285080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 97, 110, 120, 132, 165, 194, 220, 264, 291, 330, 388, 440, 485, 521, 582, 660, 776, 970, 1042, 1067, 1164, 1320, 1455, 1563, 1940, 2084, 2134, 2328, 2605, 2910, 3126, 3201, 3880, 4168, 4268, 5210, 5335, 5731, 5820, 6252, 6402, 7815, 8536, 10420, 10670, 11462, 11640, 12504, 12804, 15630, 16005, 17193, 20840, 21340, 22924, 25608, 28655, 31260, 32010, 34386, 42680, 45848, 50537, 57310, 62520, 64020, 68772, 85965, 101074, 114620, 128040, 137544, 151611, 171930, 202148, 229240, 252685, 303222, 343860, 404296, 505370, 555907, 606444, 687720, 758055, 1010740, 1111814, 1212888, 1516110, 1667721, 2021480, 2223628, 2779535, 3032220, 3335442, 4447256, 5559070, 6064440, 6670884, 8338605, 11118140, 13341768, 16677210, 22236280, 33354420, 66708840]

約数ペア:

[(1, 66708840), (2, 33354420), (3, 22236280), (4, 16677210), (5, 13341768), (6, 11118140), (8, 8338605), (10, 6670884), (11, 6064440), (12, 5559070), (15, 4447256), (20, 3335442), (22, 3032220), (24, 2779535), (30, 2223628), (33, 2021480), (40, 1667721), (44, 1516110), (55, 1212888), (60, 1111814), (66, 1010740), (88, 758055), (97, 687720), (110, 606444), (120, 555907), (132, 505370), (165, 404296), (194, 343860), (220, 303222), (264, 252685), (291, 229240), (330, 202148), (388, 171930), (440, 151611), (485, 137544), (521, 128040), (582, 114620), (660, 101074), (776, 85965), (970, 68772), (1042, 64020), (1067, 62520), (1164, 57310), (1320, 50537), (1455, 45848), (1563, 42680), (1940, 34386), (2084, 32010), (2134, 31260), (2328, 28655), (2605, 25608), (2910, 22924), (3126, 21340), (3201, 20840), (3880, 17193), (4168, 16005), (4268, 15630), (5210, 12804), (5335, 12504), (5731, 11640), (5820, 11462), (6252, 10670), (6402, 10420), (7815, 8536)]