64549760

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 172510560

約数和(自身を除く): 107960800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 64, 80, 88, 106, 110, 128, 160, 173, 176, 212, 220, 265, 320, 346, 352, 424, 440, 530, 583, 640, 692, 704, 848, 865, 880, 1060, 1166, 1384, 1408, 1696, 1730, 1760, 1903, 2120, 2332, 2768, 2915, 3392, 3460, 3520, 3806, 4240, 4664, 5536, 5830, 6784, 6920, 7040, 7612, 8480, 9169, 9328, 9515, 11072, 11660, 13840, 15224, 16960, 18338, 18656, 19030, 22144, 23320, 27680, 30448, 33920, 36676, 37312, 38060, 45845, 46640, 55360, 60896, 73352, 74624, 76120, 91690, 93280, 100859, 110720, 121792, 146704, 152240, 183380, 186560, 201718, 243584, 293408, 304480, 366760, 373120, 403436, 504295, 586816, 608960, 733520, 806872, 1008590, 1173632, 1217920, 1467040, 1613744, 2017180, 2934080, 3227488, 4034360, 5868160, 6454976, 8068720, 12909952, 16137440, 32274880, 64549760]

約数ペア:

[(1, 64549760), (2, 32274880), (4, 16137440), (5, 12909952), (8, 8068720), (10, 6454976), (11, 5868160), (16, 4034360), (20, 3227488), (22, 2934080), (32, 2017180), (40, 1613744), (44, 1467040), (53, 1217920), (55, 1173632), (64, 1008590), (80, 806872), (88, 733520), (106, 608960), (110, 586816), (128, 504295), (160, 403436), (173, 373120), (176, 366760), (212, 304480), (220, 293408), (265, 243584), (320, 201718), (346, 186560), (352, 183380), (424, 152240), (440, 146704), (530, 121792), (583, 110720), (640, 100859), (692, 93280), (704, 91690), (848, 76120), (865, 74624), (880, 73352), (1060, 60896), (1166, 55360), (1384, 46640), (1408, 45845), (1696, 38060), (1730, 37312), (1760, 36676), (1903, 33920), (2120, 30448), (2332, 27680), (2768, 23320), (2915, 22144), (3392, 19030), (3460, 18656), (3520, 18338), (3806, 16960), (4240, 15224), (4664, 13840), (5536, 11660), (5830, 11072), (6784, 9515), (6920, 9328), (7040, 9169), (7612, 8480)]