209456640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{9091}}^1$

素因数の和:9120

約数の個数: 120

約数和(自身を含む): 725487048

約数和(自身を除く): 516030408

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, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 9091, 11520, 18182, 23040, 27273, 36364, 45455, 54546, 72728, 81819, 90910, 109092, 136365, 145456, 163638, 181820, 218184, 272730, 290912, 327276, 363640, 409095, 436368, 545460, 581824, 654552, 727280, 818190, 872736, 1090920, 1163648, 1309104, 1454560, 1636380, 1745472, 2181840, 2327296, 2618208, 2909120, 3272760, 3490944, 4363680, 4654592, 5236416, 5818240, 6545520, 6981888, 8727360, 10472832, 11636480, 13091040, 13963776, 17454720, 20945664, 23272960, 26182080, 34909440, 41891328, 52364160, 69818880, 104728320, 209456640]

約数ペア:

[(1, 209456640), (2, 104728320), (3, 69818880), (4, 52364160), (5, 41891328), (6, 34909440), (8, 26182080), (9, 23272960), (10, 20945664), (12, 17454720), (15, 13963776), (16, 13091040), (18, 11636480), (20, 10472832), (24, 8727360), (30, 6981888), (32, 6545520), (36, 5818240), (40, 5236416), (45, 4654592), (48, 4363680), (60, 3490944), (64, 3272760), (72, 2909120), (80, 2618208), (90, 2327296), (96, 2181840), (120, 1745472), (128, 1636380), (144, 1454560), (160, 1309104), (180, 1163648), (192, 1090920), (240, 872736), (256, 818190), (288, 727280), (320, 654552), (360, 581824), (384, 545460), (480, 436368), (512, 409095), (576, 363640), (640, 327276), (720, 290912), (768, 272730), (960, 218184), (1152, 181820), (1280, 163638), (1440, 145456), (1536, 136365), (1920, 109092), (2304, 90910), (2560, 81819), (2880, 72728), (3840, 54546), (4608, 45455), (5760, 36364), (7680, 27273), (9091, 23040), (11520, 18182)]