1855642720

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 192

約数和(自身を含む): 4737761280

約数和(自身を除く): 2882118560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 47, 58, 67, 80, 94, 116, 127, 134, 145, 160, 188, 232, 235, 254, 268, 290, 335, 376, 464, 470, 508, 536, 580, 635, 670, 752, 928, 940, 1016, 1072, 1160, 1270, 1340, 1363, 1504, 1880, 1943, 2032, 2144, 2320, 2540, 2680, 2726, 3149, 3683, 3760, 3886, 4064, 4640, 5080, 5360, 5452, 5969, 6298, 6815, 7366, 7520, 7772, 8509, 9715, 10160, 10720, 10904, 11938, 12596, 13630, 14732, 15544, 15745, 17018, 18415, 19430, 20320, 21808, 23876, 25192, 27260, 29464, 29845, 31088, 31490, 34036, 36830, 38860, 42545, 43616, 47752, 50384, 54520, 58928, 59690, 62176, 62980, 68072, 73660, 77720, 85090, 91321, 95504, 100768, 109040, 117856, 119380, 125960, 136144, 147320, 155440, 170180, 173101, 182642, 191008, 218080, 238760, 246761, 251920, 272288, 294640, 310880, 340360, 346202, 365284, 399923, 456605, 477520, 493522, 503840, 589280, 680720, 692404, 730568, 799846, 865505, 913210, 955040, 987044, 1233805, 1361440, 1384808, 1461136, 1599692, 1731010, 1826420, 1974088, 1999615, 2467610, 2769616, 2922272, 3199384, 3462020, 3652840, 3948176, 3999230, 4935220, 5539232, 6398768, 6924040, 7305680, 7896352, 7998460, 9870440, 11597767, 12797536, 13848080, 14611360, 15996920, 19740880, 23195534, 27696160, 31993840, 39481760, 46391068, 57988835, 63987680, 92782136, 115977670, 185564272, 231955340, 371128544, 463910680, 927821360, 1855642720]

約数ペア:

[(1, 1855642720), (2, 927821360), (4, 463910680), (5, 371128544), (8, 231955340), (10, 185564272), (16, 115977670), (20, 92782136), (29, 63987680), (32, 57988835), (40, 46391068), (47, 39481760), (58, 31993840), (67, 27696160), (80, 23195534), (94, 19740880), (116, 15996920), (127, 14611360), (134, 13848080), (145, 12797536), (160, 11597767), (188, 9870440), (232, 7998460), (235, 7896352), (254, 7305680), (268, 6924040), (290, 6398768), (335, 5539232), (376, 4935220), (464, 3999230), (470, 3948176), (508, 3652840), (536, 3462020), (580, 3199384), (635, 2922272), (670, 2769616), (752, 2467610), (928, 1999615), (940, 1974088), (1016, 1826420), (1072, 1731010), (1160, 1599692), (1270, 1461136), (1340, 1384808), (1363, 1361440), (1504, 1233805), (1880, 987044), (1943, 955040), (2032, 913210), (2144, 865505), (2320, 799846), (2540, 730568), (2680, 692404), (2726, 680720), (3149, 589280), (3683, 503840), (3760, 493522), (3886, 477520), (4064, 456605), (4640, 399923), (5080, 365284), (5360, 346202), (5452, 340360), (5969, 310880), (6298, 294640), (6815, 272288), (7366, 251920), (7520, 246761), (7772, 238760), (8509, 218080), (9715, 191008), (10160, 182642), (10720, 173101), (10904, 170180), (11938, 155440), (12596, 147320), (13630, 136144), (14732, 125960), (15544, 119380), (15745, 117856), (17018, 109040), (18415, 100768), (19430, 95504), (20320, 91321), (21808, 85090), (23876, 77720), (25192, 73660), (27260, 68072), (29464, 62980), (29845, 62176), (31088, 59690), (31490, 58928), (34036, 54520), (36830, 50384), (38860, 47752), (42545, 43616)]