311815360

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:151

約数の個数: 168

約数和(自身を含む): 830860416

約数和(自身を除く): 519045056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 43, 62, 64, 68, 80, 85, 86, 124, 136, 155, 160, 170, 172, 215, 248, 272, 310, 320, 340, 344, 430, 496, 527, 544, 620, 680, 688, 731, 860, 992, 1054, 1088, 1240, 1333, 1360, 1376, 1462, 1720, 1849, 1984, 2108, 2480, 2635, 2666, 2720, 2752, 2924, 3440, 3655, 3698, 4216, 4960, 5270, 5332, 5440, 5848, 6665, 6880, 7310, 7396, 8432, 9245, 9920, 10540, 10664, 11696, 13330, 13760, 14620, 14792, 16864, 18490, 21080, 21328, 22661, 23392, 26660, 29240, 29584, 31433, 33728, 36980, 42160, 42656, 45322, 46784, 53320, 57319, 58480, 59168, 62866, 73960, 84320, 85312, 90644, 106640, 113305, 114638, 116960, 118336, 125732, 147920, 157165, 168640, 181288, 213280, 226610, 229276, 233920, 251464, 286595, 295840, 314330, 362576, 426560, 453220, 458552, 502928, 573190, 591680, 628660, 725152, 906440, 917104, 974423, 1005856, 1146380, 1257320, 1450304, 1812880, 1834208, 1948846, 2011712, 2292760, 2514640, 3625760, 3668416, 3897692, 4585520, 4872115, 5029280, 7251520, 7795384, 9171040, 9744230, 10058560, 15590768, 18342080, 19488460, 31181536, 38976920, 62363072, 77953840, 155907680, 311815360]

約数ペア:

[(1, 311815360), (2, 155907680), (4, 77953840), (5, 62363072), (8, 38976920), (10, 31181536), (16, 19488460), (17, 18342080), (20, 15590768), (31, 10058560), (32, 9744230), (34, 9171040), (40, 7795384), (43, 7251520), (62, 5029280), (64, 4872115), (68, 4585520), (80, 3897692), (85, 3668416), (86, 3625760), (124, 2514640), (136, 2292760), (155, 2011712), (160, 1948846), (170, 1834208), (172, 1812880), (215, 1450304), (248, 1257320), (272, 1146380), (310, 1005856), (320, 974423), (340, 917104), (344, 906440), (430, 725152), (496, 628660), (527, 591680), (544, 573190), (620, 502928), (680, 458552), (688, 453220), (731, 426560), (860, 362576), (992, 314330), (1054, 295840), (1088, 286595), (1240, 251464), (1333, 233920), (1360, 229276), (1376, 226610), (1462, 213280), (1720, 181288), (1849, 168640), (1984, 157165), (2108, 147920), (2480, 125732), (2635, 118336), (2666, 116960), (2720, 114638), (2752, 113305), (2924, 106640), (3440, 90644), (3655, 85312), (3698, 84320), (4216, 73960), (4960, 62866), (5270, 59168), (5332, 58480), (5440, 57319), (5848, 53320), (6665, 46784), (6880, 45322), (7310, 42656), (7396, 42160), (8432, 36980), (9245, 33728), (9920, 31433), (10540, 29584), (10664, 29240), (11696, 26660), (13330, 23392), (13760, 22661), (14620, 21328), (14792, 21080), (16864, 18490)]