30696840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:724

約数の個数: 128

約数和(自身を含む): 104860800

約数和(自身を除く): 74163960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 86, 90, 108, 120, 129, 135, 172, 180, 215, 216, 258, 270, 344, 360, 387, 430, 516, 540, 645, 661, 774, 860, 1032, 1080, 1161, 1290, 1322, 1548, 1720, 1935, 1983, 2322, 2580, 2644, 3096, 3305, 3870, 3966, 4644, 5160, 5288, 5805, 5949, 6610, 7740, 7932, 9288, 9915, 11610, 11898, 13220, 15480, 15864, 17847, 19830, 23220, 23796, 26440, 28423, 29745, 35694, 39660, 46440, 47592, 56846, 59490, 71388, 79320, 85269, 89235, 113692, 118980, 142115, 142776, 170538, 178470, 227384, 237960, 255807, 284230, 341076, 356940, 426345, 511614, 568460, 682152, 713880, 767421, 852690, 1023228, 1136920, 1279035, 1534842, 1705380, 2046456, 2558070, 3069684, 3410760, 3837105, 5116140, 6139368, 7674210, 10232280, 15348420, 30696840]

約数ペア:

[(1, 30696840), (2, 15348420), (3, 10232280), (4, 7674210), (5, 6139368), (6, 5116140), (8, 3837105), (9, 3410760), (10, 3069684), (12, 2558070), (15, 2046456), (18, 1705380), (20, 1534842), (24, 1279035), (27, 1136920), (30, 1023228), (36, 852690), (40, 767421), (43, 713880), (45, 682152), (54, 568460), (60, 511614), (72, 426345), (86, 356940), (90, 341076), (108, 284230), (120, 255807), (129, 237960), (135, 227384), (172, 178470), (180, 170538), (215, 142776), (216, 142115), (258, 118980), (270, 113692), (344, 89235), (360, 85269), (387, 79320), (430, 71388), (516, 59490), (540, 56846), (645, 47592), (661, 46440), (774, 39660), (860, 35694), (1032, 29745), (1080, 28423), (1161, 26440), (1290, 23796), (1322, 23220), (1548, 19830), (1720, 17847), (1935, 15864), (1983, 15480), (2322, 13220), (2580, 11898), (2644, 11610), (3096, 9915), (3305, 9288), (3870, 7932), (3966, 7740), (4644, 6610), (5160, 5949), (5288, 5805)]