57661280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 153180720

約数和(自身を除く): 95519440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 43, 58, 68, 80, 85, 86, 116, 136, 145, 160, 170, 172, 215, 232, 272, 289, 290, 340, 344, 430, 464, 493, 544, 578, 580, 680, 688, 731, 860, 928, 986, 1156, 1160, 1247, 1360, 1376, 1445, 1462, 1720, 1972, 2312, 2320, 2465, 2494, 2720, 2890, 2924, 3440, 3655, 3944, 4624, 4640, 4930, 4988, 5780, 5848, 6235, 6880, 7310, 7888, 8381, 9248, 9860, 9976, 11560, 11696, 12427, 12470, 14620, 15776, 16762, 19720, 19952, 21199, 23120, 23392, 24854, 24940, 29240, 33524, 39440, 39904, 41905, 42398, 46240, 49708, 49880, 58480, 62135, 67048, 78880, 83810, 84796, 99416, 99760, 105995, 116960, 124270, 134096, 167620, 169592, 198832, 199520, 211990, 248540, 268192, 335240, 339184, 360383, 397664, 423980, 497080, 670480, 678368, 720766, 847960, 994160, 1340960, 1441532, 1695920, 1801915, 1988320, 2883064, 3391840, 3603830, 5766128, 7207660, 11532256, 14415320, 28830640, 57661280]

約数ペア:

[(1, 57661280), (2, 28830640), (4, 14415320), (5, 11532256), (8, 7207660), (10, 5766128), (16, 3603830), (17, 3391840), (20, 2883064), (29, 1988320), (32, 1801915), (34, 1695920), (40, 1441532), (43, 1340960), (58, 994160), (68, 847960), (80, 720766), (85, 678368), (86, 670480), (116, 497080), (136, 423980), (145, 397664), (160, 360383), (170, 339184), (172, 335240), (215, 268192), (232, 248540), (272, 211990), (289, 199520), (290, 198832), (340, 169592), (344, 167620), (430, 134096), (464, 124270), (493, 116960), (544, 105995), (578, 99760), (580, 99416), (680, 84796), (688, 83810), (731, 78880), (860, 67048), (928, 62135), (986, 58480), (1156, 49880), (1160, 49708), (1247, 46240), (1360, 42398), (1376, 41905), (1445, 39904), (1462, 39440), (1720, 33524), (1972, 29240), (2312, 24940), (2320, 24854), (2465, 23392), (2494, 23120), (2720, 21199), (2890, 19952), (2924, 19720), (3440, 16762), (3655, 15776), (3944, 14620), (4624, 12470), (4640, 12427), (4930, 11696), (4988, 11560), (5780, 9976), (5848, 9860), (6235, 9248), (6880, 8381), (7310, 7888)]