643979520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{55901}}^1$

素因数の和:55928

約数の個数: 108

約数和(自身を含む): 2228141916

約数和(自身を除く): 1584162396

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 55901, 111802, 167703, 223604, 279505, 335406, 447208, 503109, 559010, 670812, 838515, 894416, 1006218, 1118020, 1341624, 1677030, 1788832, 2012436, 2236040, 2515545, 2683248, 3354060, 3577664, 4024872, 4472080, 5031090, 5366496, 6708120, 7155328, 8049744, 8944160, 10062180, 10732992, 13416240, 14310656, 16099488, 17888320, 20124360, 21465984, 26832480, 32198976, 35776640, 40248720, 42931968, 53664960, 64397952, 71553280, 80497440, 107329920, 128795904, 160994880, 214659840, 321989760, 643979520]

約数ペア:

[(1, 643979520), (2, 321989760), (3, 214659840), (4, 160994880), (5, 128795904), (6, 107329920), (8, 80497440), (9, 71553280), (10, 64397952), (12, 53664960), (15, 42931968), (16, 40248720), (18, 35776640), (20, 32198976), (24, 26832480), (30, 21465984), (32, 20124360), (36, 17888320), (40, 16099488), (45, 14310656), (48, 13416240), (60, 10732992), (64, 10062180), (72, 8944160), (80, 8049744), (90, 7155328), (96, 6708120), (120, 5366496), (128, 5031090), (144, 4472080), (160, 4024872), (180, 3577664), (192, 3354060), (240, 2683248), (256, 2515545), (288, 2236040), (320, 2012436), (360, 1788832), (384, 1677030), (480, 1341624), (576, 1118020), (640, 1006218), (720, 894416), (768, 838515), (960, 670812), (1152, 559010), (1280, 503109), (1440, 447208), (1920, 335406), (2304, 279505), (2880, 223604), (3840, 167703), (5760, 111802), (11520, 55901)]