89607680

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 160

約数和(自身を含む): 238645440

約数和(自身を除く): 149037760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 71, 80, 85, 116, 128, 136, 142, 145, 160, 170, 232, 256, 272, 284, 290, 320, 340, 355, 464, 493, 512, 544, 568, 580, 640, 680, 710, 928, 986, 1088, 1136, 1160, 1207, 1280, 1360, 1420, 1856, 1972, 2059, 2176, 2272, 2320, 2414, 2465, 2560, 2720, 2840, 3712, 3944, 4118, 4352, 4544, 4640, 4828, 4930, 5440, 5680, 6035, 7424, 7888, 8236, 8704, 9088, 9280, 9656, 9860, 10295, 10880, 11360, 12070, 14848, 15776, 16472, 18176, 18560, 19312, 19720, 20590, 21760, 22720, 24140, 31552, 32944, 35003, 36352, 37120, 38624, 39440, 41180, 43520, 45440, 48280, 63104, 65888, 70006, 74240, 77248, 78880, 82360, 90880, 96560, 126208, 131776, 140012, 154496, 157760, 164720, 175015, 181760, 193120, 252416, 263552, 280024, 308992, 315520, 329440, 350030, 386240, 527104, 560048, 617984, 631040, 658880, 700060, 772480, 1054208, 1120096, 1262080, 1317760, 1400120, 1544960, 2240192, 2635520, 2800240, 3089920, 4480384, 5271040, 5600480, 8960768, 11200960, 17921536, 22401920, 44803840, 89607680]

約数ペア:

[(1, 89607680), (2, 44803840), (4, 22401920), (5, 17921536), (8, 11200960), (10, 8960768), (16, 5600480), (17, 5271040), (20, 4480384), (29, 3089920), (32, 2800240), (34, 2635520), (40, 2240192), (58, 1544960), (64, 1400120), (68, 1317760), (71, 1262080), (80, 1120096), (85, 1054208), (116, 772480), (128, 700060), (136, 658880), (142, 631040), (145, 617984), (160, 560048), (170, 527104), (232, 386240), (256, 350030), (272, 329440), (284, 315520), (290, 308992), (320, 280024), (340, 263552), (355, 252416), (464, 193120), (493, 181760), (512, 175015), (544, 164720), (568, 157760), (580, 154496), (640, 140012), (680, 131776), (710, 126208), (928, 96560), (986, 90880), (1088, 82360), (1136, 78880), (1160, 77248), (1207, 74240), (1280, 70006), (1360, 65888), (1420, 63104), (1856, 48280), (1972, 45440), (2059, 43520), (2176, 41180), (2272, 39440), (2320, 38624), (2414, 37120), (2465, 36352), (2560, 35003), (2720, 32944), (2840, 31552), (3712, 24140), (3944, 22720), (4118, 21760), (4352, 20590), (4544, 19720), (4640, 19312), (4828, 18560), (4930, 18176), (5440, 16472), (5680, 15776), (6035, 14848), (7424, 12070), (7888, 11360), (8236, 10880), (8704, 10295), (9088, 9860), (9280, 9656)]