1638156720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2659}}^1$

素因数の和:2843

約数の個数: 160

約数和(自身を含む): 5414653440

約数和(自身を除く): 3776496720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 151, 170, 204, 240, 255, 272, 302, 340, 408, 453, 510, 604, 680, 755, 816, 906, 1020, 1208, 1360, 1510, 1812, 2040, 2265, 2416, 2567, 2659, 3020, 3624, 4080, 4530, 5134, 5318, 6040, 7248, 7701, 7977, 9060, 10268, 10636, 12080, 12835, 13295, 15402, 15954, 18120, 20536, 21272, 25670, 26590, 30804, 31908, 36240, 38505, 39885, 41072, 42544, 45203, 51340, 53180, 61608, 63816, 77010, 79770, 90406, 102680, 106360, 123216, 127632, 135609, 154020, 159540, 180812, 205360, 212720, 226015, 271218, 308040, 319080, 361624, 401509, 452030, 542436, 616080, 638160, 678045, 723248, 803018, 904060, 1084872, 1204527, 1356090, 1606036, 1808120, 2007545, 2169744, 2409054, 2712180, 3212072, 3616240, 4015090, 4818108, 5424360, 6022635, 6424144, 6825653, 8030180, 9636216, 10848720, 12045270, 13651306, 16060360, 19272432, 20476959, 24090540, 27302612, 32120720, 34128265, 40953918, 48181080, 54605224, 68256530, 81907836, 96362160, 102384795, 109210448, 136513060, 163815672, 204769590, 273026120, 327631344, 409539180, 546052240, 819078360, 1638156720]

約数ペア:

[(1, 1638156720), (2, 819078360), (3, 546052240), (4, 409539180), (5, 327631344), (6, 273026120), (8, 204769590), (10, 163815672), (12, 136513060), (15, 109210448), (16, 102384795), (17, 96362160), (20, 81907836), (24, 68256530), (30, 54605224), (34, 48181080), (40, 40953918), (48, 34128265), (51, 32120720), (60, 27302612), (68, 24090540), (80, 20476959), (85, 19272432), (102, 16060360), (120, 13651306), (136, 12045270), (151, 10848720), (170, 9636216), (204, 8030180), (240, 6825653), (255, 6424144), (272, 6022635), (302, 5424360), (340, 4818108), (408, 4015090), (453, 3616240), (510, 3212072), (604, 2712180), (680, 2409054), (755, 2169744), (816, 2007545), (906, 1808120), (1020, 1606036), (1208, 1356090), (1360, 1204527), (1510, 1084872), (1812, 904060), (2040, 803018), (2265, 723248), (2416, 678045), (2567, 638160), (2659, 616080), (3020, 542436), (3624, 452030), (4080, 401509), (4530, 361624), (5134, 319080), (5318, 308040), (6040, 271218), (7248, 226015), (7701, 212720), (7977, 205360), (9060, 180812), (10268, 159540), (10636, 154020), (12080, 135609), (12835, 127632), (13295, 123216), (15402, 106360), (15954, 102680), (18120, 90406), (20536, 79770), (21272, 77010), (25670, 63816), (26590, 61608), (30804, 53180), (31908, 51340), (36240, 45203), (38505, 42544), (39885, 41072)]