321467520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:555

約数の個数: 256

約数和(自身を含む): 1156239360

約数和(自身を除く): 834771840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 64, 66, 80, 88, 93, 96, 110, 120, 124, 128, 132, 155, 160, 165, 176, 186, 192, 220, 240, 248, 264, 310, 320, 330, 341, 352, 372, 384, 440, 465, 480, 491, 496, 528, 620, 640, 660, 682, 704, 744, 880, 930, 960, 982, 992, 1023, 1056, 1240, 1320, 1364, 1408, 1473, 1488, 1705, 1760, 1860, 1920, 1964, 1984, 2046, 2112, 2455, 2480, 2640, 2728, 2946, 2976, 3410, 3520, 3720, 3928, 3968, 4092, 4224, 4910, 4960, 5115, 5280, 5401, 5456, 5892, 5952, 6820, 7040, 7365, 7440, 7856, 8184, 9820, 9920, 10230, 10560, 10802, 10912, 11784, 11904, 13640, 14730, 14880, 15221, 15712, 16203, 16368, 19640, 19840, 20460, 21120, 21604, 21824, 23568, 27005, 27280, 29460, 29760, 30442, 31424, 32406, 32736, 39280, 40920, 43208, 43648, 45663, 47136, 54010, 54560, 58920, 59520, 60884, 62848, 64812, 65472, 76105, 78560, 81015, 81840, 86416, 91326, 94272, 108020, 109120, 117840, 121768, 129624, 130944, 152210, 157120, 162030, 163680, 167431, 172832, 182652, 188544, 216040, 218240, 228315, 235680, 243536, 259248, 304420, 314240, 324060, 327360, 334862, 345664, 365304, 432080, 456630, 471360, 487072, 502293, 518496, 608840, 648120, 654720, 669724, 691328, 730608, 837155, 864160, 913260, 942720, 974144, 1004586, 1036992, 1217680, 1296240, 1339448, 1461216, 1674310, 1728320, 1826520, 1948288, 2009172, 2073984, 2435360, 2511465, 2592480, 2678896, 2922432, 3348620, 3456640, 3653040, 4018344, 4870720, 5022930, 5184960, 5357792, 5844864, 6697240, 7306080, 8036688, 9741440, 10045860, 10369920, 10715584, 13394480, 14612160, 16073376, 20091720, 21431168, 26788960, 29224320, 32146752, 40183440, 53577920, 64293504, 80366880, 107155840, 160733760, 321467520]

約数ペア:

[(1, 321467520), (2, 160733760), (3, 107155840), (4, 80366880), (5, 64293504), (6, 53577920), (8, 40183440), (10, 32146752), (11, 29224320), (12, 26788960), (15, 21431168), (16, 20091720), (20, 16073376), (22, 14612160), (24, 13394480), (30, 10715584), (31, 10369920), (32, 10045860), (33, 9741440), (40, 8036688), (44, 7306080), (48, 6697240), (55, 5844864), (60, 5357792), (62, 5184960), (64, 5022930), (66, 4870720), (80, 4018344), (88, 3653040), (93, 3456640), (96, 3348620), (110, 2922432), (120, 2678896), (124, 2592480), (128, 2511465), (132, 2435360), (155, 2073984), (160, 2009172), (165, 1948288), (176, 1826520), (186, 1728320), (192, 1674310), (220, 1461216), (240, 1339448), (248, 1296240), (264, 1217680), (310, 1036992), (320, 1004586), (330, 974144), (341, 942720), (352, 913260), (372, 864160), (384, 837155), (440, 730608), (465, 691328), (480, 669724), (491, 654720), (496, 648120), (528, 608840), (620, 518496), (640, 502293), (660, 487072), (682, 471360), (704, 456630), (744, 432080), (880, 365304), (930, 345664), (960, 334862), (982, 327360), (992, 324060), (1023, 314240), (1056, 304420), (1240, 259248), (1320, 243536), (1364, 235680), (1408, 228315), (1473, 218240), (1488, 216040), (1705, 188544), (1760, 182652), (1860, 172832), (1920, 167431), (1964, 163680), (1984, 162030), (2046, 157120), (2112, 152210), (2455, 130944), (2480, 129624), (2640, 121768), (2728, 117840), (2946, 109120), (2976, 108020), (3410, 94272), (3520, 91326), (3720, 86416), (3928, 81840), (3968, 81015), (4092, 78560), (4224, 76105), (4910, 65472), (4960, 64812), (5115, 62848), (5280, 60884), (5401, 59520), (5456, 58920), (5892, 54560), (5952, 54010), (6820, 47136), (7040, 45663), (7365, 43648), (7440, 43208), (7856, 40920), (8184, 39280), (9820, 32736), (9920, 32406), (10230, 31424), (10560, 30442), (10802, 29760), (10912, 29460), (11784, 27280), (11904, 27005), (13640, 23568), (14730, 21824), (14880, 21604), (15221, 21120), (15712, 20460), (16203, 19840), (16368, 19640)]