218411520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{28439}}^1$

素因数の和:28465

約数の個数: 80

約数和(自身を含む): 698258880

約数和(自身を除く): 479847360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 28439, 56878, 85317, 113756, 142195, 170634, 227512, 284390, 341268, 426585, 455024, 568780, 682536, 853170, 910048, 1137560, 1365072, 1706340, 1820096, 2275120, 2730144, 3412680, 3640192, 4550240, 5460288, 6825360, 7280384, 9100480, 10920576, 13650720, 14560768, 18200960, 21841152, 27301440, 36401920, 43682304, 54602880, 72803840, 109205760, 218411520]

約数ペア:

[(1, 218411520), (2, 109205760), (3, 72803840), (4, 54602880), (5, 43682304), (6, 36401920), (8, 27301440), (10, 21841152), (12, 18200960), (15, 14560768), (16, 13650720), (20, 10920576), (24, 9100480), (30, 7280384), (32, 6825360), (40, 5460288), (48, 4550240), (60, 3640192), (64, 3412680), (80, 2730144), (96, 2275120), (120, 1820096), (128, 1706340), (160, 1365072), (192, 1137560), (240, 910048), (256, 853170), (320, 682536), (384, 568780), (480, 455024), (512, 426585), (640, 341268), (768, 284390), (960, 227512), (1280, 170634), (1536, 142195), (1920, 113756), (2560, 85317), (3840, 56878), (7680, 28439)]