4400640

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{191}}^1$

素因数の和:220

約数の個数: 120

約数和(自身を含む): 15320448

約数和(自身を除く): 10919808

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, 191, 192, 240, 256, 288, 320, 360, 382, 384, 480, 512, 573, 576, 640, 720, 764, 768, 955, 960, 1146, 1152, 1280, 1440, 1528, 1536, 1719, 1910, 1920, 2292, 2304, 2560, 2865, 2880, 3056, 3438, 3820, 3840, 4584, 4608, 5730, 5760, 6112, 6876, 7640, 7680, 8595, 9168, 11460, 11520, 12224, 13752, 15280, 17190, 18336, 22920, 23040, 24448, 27504, 30560, 34380, 36672, 45840, 48896, 55008, 61120, 68760, 73344, 91680, 97792, 110016, 122240, 137520, 146688, 183360, 220032, 244480, 275040, 293376, 366720, 440064, 488960, 550080, 733440, 880128, 1100160, 1466880, 2200320, 4400640]

約数ペア:

[(1, 4400640), (2, 2200320), (3, 1466880), (4, 1100160), (5, 880128), (6, 733440), (8, 550080), (9, 488960), (10, 440064), (12, 366720), (15, 293376), (16, 275040), (18, 244480), (20, 220032), (24, 183360), (30, 146688), (32, 137520), (36, 122240), (40, 110016), (45, 97792), (48, 91680), (60, 73344), (64, 68760), (72, 61120), (80, 55008), (90, 48896), (96, 45840), (120, 36672), (128, 34380), (144, 30560), (160, 27504), (180, 24448), (191, 23040), (192, 22920), (240, 18336), (256, 17190), (288, 15280), (320, 13752), (360, 12224), (382, 11520), (384, 11460), (480, 9168), (512, 8595), (573, 7680), (576, 7640), (640, 6876), (720, 6112), (764, 5760), (768, 5730), (955, 4608), (960, 4584), (1146, 3840), (1152, 3820), (1280, 3438), (1440, 3056), (1528, 2880), (1536, 2865), (1719, 2560), (1910, 2304), (1920, 2292)]