201431640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{337}}^1$

素因数の和:661

約数の個数: 128

約数和(自身を含む): 643930560

約数和(自身を除く): 442498920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 293, 337, 340, 408, 510, 586, 674, 680, 879, 1011, 1020, 1172, 1348, 1465, 1685, 1758, 2022, 2040, 2344, 2696, 2930, 3370, 3516, 4044, 4395, 4981, 5055, 5729, 5860, 6740, 7032, 8088, 8790, 9962, 10110, 11458, 11720, 13480, 14943, 17187, 17580, 19924, 20220, 22916, 24905, 28645, 29886, 34374, 35160, 39848, 40440, 45832, 49810, 57290, 59772, 68748, 74715, 85935, 98741, 99620, 114580, 119544, 137496, 149430, 171870, 197482, 199240, 229160, 296223, 298860, 343740, 394964, 493705, 592446, 597720, 687480, 789928, 987410, 1184892, 1481115, 1678597, 1974820, 2369784, 2962230, 3357194, 3949640, 5035791, 5924460, 6714388, 8392985, 10071582, 11848920, 13428776, 16785970, 20143164, 25178955, 33571940, 40286328, 50357910, 67143880, 100715820, 201431640]

約数ペア:

[(1, 201431640), (2, 100715820), (3, 67143880), (4, 50357910), (5, 40286328), (6, 33571940), (8, 25178955), (10, 20143164), (12, 16785970), (15, 13428776), (17, 11848920), (20, 10071582), (24, 8392985), (30, 6714388), (34, 5924460), (40, 5035791), (51, 3949640), (60, 3357194), (68, 2962230), (85, 2369784), (102, 1974820), (120, 1678597), (136, 1481115), (170, 1184892), (204, 987410), (255, 789928), (293, 687480), (337, 597720), (340, 592446), (408, 493705), (510, 394964), (586, 343740), (674, 298860), (680, 296223), (879, 229160), (1011, 199240), (1020, 197482), (1172, 171870), (1348, 149430), (1465, 137496), (1685, 119544), (1758, 114580), (2022, 99620), (2040, 98741), (2344, 85935), (2696, 74715), (2930, 68748), (3370, 59772), (3516, 57290), (4044, 49810), (4395, 45832), (4981, 40440), (5055, 39848), (5729, 35160), (5860, 34374), (6740, 29886), (7032, 28645), (8088, 24905), (8790, 22916), (9962, 20220), (10110, 19924), (11458, 17580), (11720, 17187), (13480, 14943)]