161864040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 256

約数和(自身を含む): 567705600

約数和(自身を除く): 405841560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 43, 52, 57, 60, 65, 76, 78, 86, 95, 104, 114, 120, 127, 129, 130, 152, 156, 172, 190, 195, 215, 228, 247, 254, 258, 260, 285, 312, 344, 380, 381, 390, 430, 456, 494, 508, 516, 520, 559, 570, 635, 645, 741, 760, 762, 780, 817, 860, 988, 1016, 1032, 1118, 1140, 1235, 1270, 1290, 1482, 1524, 1560, 1634, 1651, 1677, 1720, 1905, 1976, 2236, 2280, 2413, 2451, 2470, 2540, 2580, 2795, 2964, 3048, 3268, 3302, 3354, 3705, 3810, 4085, 4472, 4826, 4902, 4940, 4953, 5080, 5160, 5461, 5590, 5928, 6536, 6604, 6708, 7239, 7410, 7620, 8170, 8255, 8385, 9652, 9804, 9880, 9906, 10621, 10922, 11180, 12065, 12255, 13208, 13416, 14478, 14820, 15240, 16340, 16383, 16510, 16770, 19304, 19608, 19812, 21242, 21844, 22360, 24130, 24510, 24765, 27305, 28956, 29640, 31369, 31863, 32680, 32766, 33020, 33540, 36195, 39624, 42484, 43688, 48260, 49020, 49530, 53105, 54610, 57912, 62738, 63726, 65532, 66040, 67080, 70993, 72390, 81915, 84968, 94107, 96520, 98040, 99060, 103759, 106210, 109220, 125476, 127452, 131064, 141986, 144780, 156845, 159315, 163830, 188214, 198120, 207518, 212420, 212979, 218440, 250952, 254904, 283972, 289560, 311277, 313690, 318630, 327660, 354965, 376428, 415036, 424840, 425958, 470535, 518795, 567944, 622554, 627380, 637260, 655320, 709930, 752856, 830072, 851916, 941070, 1037590, 1064895, 1245108, 1254760, 1274520, 1348867, 1419860, 1556385, 1703832, 1882140, 2075180, 2129790, 2490216, 2697734, 2839720, 3112770, 3764280, 4046601, 4150360, 4259580, 5395468, 6225540, 6744335, 8093202, 8519160, 10790936, 12451080, 13488670, 16186404, 20233005, 26977340, 32372808, 40466010, 53954680, 80932020, 161864040]

約数ペア:

[(1, 161864040), (2, 80932020), (3, 53954680), (4, 40466010), (5, 32372808), (6, 26977340), (8, 20233005), (10, 16186404), (12, 13488670), (13, 12451080), (15, 10790936), (19, 8519160), (20, 8093202), (24, 6744335), (26, 6225540), (30, 5395468), (38, 4259580), (39, 4150360), (40, 4046601), (43, 3764280), (52, 3112770), (57, 2839720), (60, 2697734), (65, 2490216), (76, 2129790), (78, 2075180), (86, 1882140), (95, 1703832), (104, 1556385), (114, 1419860), (120, 1348867), (127, 1274520), (129, 1254760), (130, 1245108), (152, 1064895), (156, 1037590), (172, 941070), (190, 851916), (195, 830072), (215, 752856), (228, 709930), (247, 655320), (254, 637260), (258, 627380), (260, 622554), (285, 567944), (312, 518795), (344, 470535), (380, 425958), (381, 424840), (390, 415036), (430, 376428), (456, 354965), (494, 327660), (508, 318630), (516, 313690), (520, 311277), (559, 289560), (570, 283972), (635, 254904), (645, 250952), (741, 218440), (760, 212979), (762, 212420), (780, 207518), (817, 198120), (860, 188214), (988, 163830), (1016, 159315), (1032, 156845), (1118, 144780), (1140, 141986), (1235, 131064), (1270, 127452), (1290, 125476), (1482, 109220), (1524, 106210), (1560, 103759), (1634, 99060), (1651, 98040), (1677, 96520), (1720, 94107), (1905, 84968), (1976, 81915), (2236, 72390), (2280, 70993), (2413, 67080), (2451, 66040), (2470, 65532), (2540, 63726), (2580, 62738), (2795, 57912), (2964, 54610), (3048, 53105), (3268, 49530), (3302, 49020), (3354, 48260), (3705, 43688), (3810, 42484), (4085, 39624), (4472, 36195), (4826, 33540), (4902, 33020), (4940, 32766), (4953, 32680), (5080, 31863), (5160, 31369), (5461, 29640), (5590, 28956), (5928, 27305), (6536, 24765), (6604, 24510), (6708, 24130), (7239, 22360), (7410, 21844), (7620, 21242), (8170, 19812), (8255, 19608), (8385, 19304), (9652, 16770), (9804, 16510), (9880, 16383), (9906, 16340), (10621, 15240), (10922, 14820), (11180, 14478), (12065, 13416), (12255, 13208)]