420588160

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:139

約数の個数: 256

約数和(自身を含む): 1163289600

約数和(自身を除く): 742701440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 31, 32, 34, 40, 43, 58, 62, 64, 68, 80, 85, 86, 116, 124, 128, 136, 145, 155, 160, 170, 172, 215, 232, 248, 272, 290, 310, 320, 340, 344, 430, 464, 493, 496, 527, 544, 580, 620, 640, 680, 688, 731, 860, 899, 928, 986, 992, 1054, 1088, 1160, 1240, 1247, 1333, 1360, 1376, 1462, 1720, 1798, 1856, 1972, 1984, 2108, 2176, 2320, 2465, 2480, 2494, 2635, 2666, 2720, 2752, 2924, 3440, 3596, 3655, 3712, 3944, 3968, 4216, 4495, 4640, 4930, 4960, 4988, 5270, 5332, 5440, 5504, 5848, 6235, 6665, 6880, 7192, 7310, 7888, 8432, 8990, 9280, 9860, 9920, 9976, 10540, 10664, 10880, 11696, 12470, 13330, 13760, 14384, 14620, 15283, 15776, 16864, 17980, 18560, 19720, 19840, 19952, 21080, 21199, 21328, 22661, 23392, 24940, 26660, 27520, 28768, 29240, 30566, 31552, 33728, 35960, 38657, 39440, 39904, 42160, 42398, 42656, 45322, 46784, 49880, 53320, 57536, 58480, 61132, 63104, 67456, 71920, 76415, 77314, 78880, 79808, 84320, 84796, 85312, 90644, 93568, 99760, 105995, 106640, 113305, 115072, 116960, 122264, 143840, 152830, 154628, 157760, 159616, 168640, 169592, 170624, 181288, 193285, 199520, 211990, 213280, 226610, 233920, 244528, 287680, 305660, 309256, 315520, 337280, 339184, 362576, 386570, 399040, 423980, 426560, 453220, 467840, 489056, 575360, 611320, 618512, 657169, 678368, 725152, 773140, 798080, 847960, 853120, 906440, 978112, 1222640, 1237024, 1314338, 1356736, 1450304, 1546280, 1695920, 1812880, 1956224, 2445280, 2474048, 2628676, 2713472, 2900608, 3092560, 3285845, 3391840, 3625760, 4890560, 4948096, 5257352, 6185120, 6571690, 6783680, 7251520, 9781120, 10514704, 12370240, 13143380, 13567360, 14503040, 21029408, 24740480, 26286760, 42058816, 52573520, 84117632, 105147040, 210294080, 420588160]

約数ペア:

[(1, 420588160), (2, 210294080), (4, 105147040), (5, 84117632), (8, 52573520), (10, 42058816), (16, 26286760), (17, 24740480), (20, 21029408), (29, 14503040), (31, 13567360), (32, 13143380), (34, 12370240), (40, 10514704), (43, 9781120), (58, 7251520), (62, 6783680), (64, 6571690), (68, 6185120), (80, 5257352), (85, 4948096), (86, 4890560), (116, 3625760), (124, 3391840), (128, 3285845), (136, 3092560), (145, 2900608), (155, 2713472), (160, 2628676), (170, 2474048), (172, 2445280), (215, 1956224), (232, 1812880), (248, 1695920), (272, 1546280), (290, 1450304), (310, 1356736), (320, 1314338), (340, 1237024), (344, 1222640), (430, 978112), (464, 906440), (493, 853120), (496, 847960), (527, 798080), (544, 773140), (580, 725152), (620, 678368), (640, 657169), (680, 618512), (688, 611320), (731, 575360), (860, 489056), (899, 467840), (928, 453220), (986, 426560), (992, 423980), (1054, 399040), (1088, 386570), (1160, 362576), (1240, 339184), (1247, 337280), (1333, 315520), (1360, 309256), (1376, 305660), (1462, 287680), (1720, 244528), (1798, 233920), (1856, 226610), (1972, 213280), (1984, 211990), (2108, 199520), (2176, 193285), (2320, 181288), (2465, 170624), (2480, 169592), (2494, 168640), (2635, 159616), (2666, 157760), (2720, 154628), (2752, 152830), (2924, 143840), (3440, 122264), (3596, 116960), (3655, 115072), (3712, 113305), (3944, 106640), (3968, 105995), (4216, 99760), (4495, 93568), (4640, 90644), (4930, 85312), (4960, 84796), (4988, 84320), (5270, 79808), (5332, 78880), (5440, 77314), (5504, 76415), (5848, 71920), (6235, 67456), (6665, 63104), (6880, 61132), (7192, 58480), (7310, 57536), (7888, 53320), (8432, 49880), (8990, 46784), (9280, 45322), (9860, 42656), (9920, 42398), (9976, 42160), (10540, 39904), (10664, 39440), (10880, 38657), (11696, 35960), (12470, 33728), (13330, 31552), (13760, 30566), (14384, 29240), (14620, 28768), (15283, 27520), (15776, 26660), (16864, 24940), (17980, 23392), (18560, 22661), (19720, 21328), (19840, 21199), (19952, 21080)]