71881040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1667}}^1$

素因数の和:1705

約数の個数: 120

約数和(自身を含む): 212209632

約数和(自身を除く): 140328592

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1232, 1540, 1667, 1960, 2156, 2695, 3080, 3334, 3920, 4312, 5390, 6160, 6668, 8335, 8624, 10780, 11669, 13336, 16670, 18337, 21560, 23338, 26672, 33340, 36674, 43120, 46676, 58345, 66680, 73348, 81683, 91685, 93352, 116690, 128359, 133360, 146696, 163366, 183370, 186704, 233380, 256718, 293392, 326732, 366740, 408415, 466760, 513436, 641795, 653464, 733480, 816830, 898513, 933520, 1026872, 1283590, 1306928, 1466960, 1633660, 1797026, 2053744, 2567180, 3267320, 3594052, 4492565, 5134360, 6534640, 7188104, 8985130, 10268720, 14376208, 17970260, 35940520, 71881040]

約数ペア:

[(1, 71881040), (2, 35940520), (4, 17970260), (5, 14376208), (7, 10268720), (8, 8985130), (10, 7188104), (11, 6534640), (14, 5134360), (16, 4492565), (20, 3594052), (22, 3267320), (28, 2567180), (35, 2053744), (40, 1797026), (44, 1633660), (49, 1466960), (55, 1306928), (56, 1283590), (70, 1026872), (77, 933520), (80, 898513), (88, 816830), (98, 733480), (110, 653464), (112, 641795), (140, 513436), (154, 466760), (176, 408415), (196, 366740), (220, 326732), (245, 293392), (280, 256718), (308, 233380), (385, 186704), (392, 183370), (440, 163366), (490, 146696), (539, 133360), (560, 128359), (616, 116690), (770, 93352), (784, 91685), (880, 81683), (980, 73348), (1078, 66680), (1232, 58345), (1540, 46676), (1667, 43120), (1960, 36674), (2156, 33340), (2695, 26672), (3080, 23338), (3334, 21560), (3920, 18337), (4312, 16670), (5390, 13336), (6160, 11669), (6668, 10780), (8335, 8624)]