30721416

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 86184000

約数和(自身を除く): 55462584

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 71, 88, 121, 132, 142, 149, 213, 242, 264, 284, 298, 363, 426, 447, 484, 568, 596, 726, 781, 852, 894, 968, 1192, 1452, 1562, 1639, 1704, 1788, 2343, 2904, 3124, 3278, 3576, 4686, 4917, 6248, 6556, 8591, 9372, 9834, 10579, 13112, 17182, 18029, 18744, 19668, 21158, 25773, 31737, 34364, 36058, 39336, 42316, 51546, 54087, 63474, 68728, 72116, 84632, 103092, 108174, 116369, 126948, 144232, 206184, 216348, 232738, 253896, 349107, 432696, 465476, 698214, 930952, 1280059, 1396428, 2560118, 2792856, 3840177, 5120236, 7680354, 10240472, 15360708, 30721416]

約数ペア:

[(1, 30721416), (2, 15360708), (3, 10240472), (4, 7680354), (6, 5120236), (8, 3840177), (11, 2792856), (12, 2560118), (22, 1396428), (24, 1280059), (33, 930952), (44, 698214), (66, 465476), (71, 432696), (88, 349107), (121, 253896), (132, 232738), (142, 216348), (149, 206184), (213, 144232), (242, 126948), (264, 116369), (284, 108174), (298, 103092), (363, 84632), (426, 72116), (447, 68728), (484, 63474), (568, 54087), (596, 51546), (726, 42316), (781, 39336), (852, 36058), (894, 34364), (968, 31737), (1192, 25773), (1452, 21158), (1562, 19668), (1639, 18744), (1704, 18029), (1788, 17182), (2343, 13112), (2904, 10579), (3124, 9834), (3278, 9372), (3576, 8591), (4686, 6556), (4917, 6248)]