2555520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^3$

素因数の和:55

約数の個数: 128

約数和(自身を含む): 8959680

約数和(自身を除く): 6404160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 128, 132, 160, 165, 176, 192, 220, 240, 242, 264, 320, 330, 352, 363, 384, 440, 480, 484, 528, 605, 640, 660, 704, 726, 880, 960, 968, 1056, 1210, 1320, 1331, 1408, 1452, 1760, 1815, 1920, 1936, 2112, 2420, 2640, 2662, 2904, 3520, 3630, 3872, 3993, 4224, 4840, 5280, 5324, 5808, 6655, 7040, 7260, 7744, 7986, 9680, 10560, 10648, 11616, 13310, 14520, 15488, 15972, 19360, 19965, 21120, 21296, 23232, 26620, 29040, 31944, 38720, 39930, 42592, 46464, 53240, 58080, 63888, 77440, 79860, 85184, 106480, 116160, 127776, 159720, 170368, 212960, 232320, 255552, 319440, 425920, 511104, 638880, 851840, 1277760, 2555520]

約数ペア:

[(1, 2555520), (2, 1277760), (3, 851840), (4, 638880), (5, 511104), (6, 425920), (8, 319440), (10, 255552), (11, 232320), (12, 212960), (15, 170368), (16, 159720), (20, 127776), (22, 116160), (24, 106480), (30, 85184), (32, 79860), (33, 77440), (40, 63888), (44, 58080), (48, 53240), (55, 46464), (60, 42592), (64, 39930), (66, 38720), (80, 31944), (88, 29040), (96, 26620), (110, 23232), (120, 21296), (121, 21120), (128, 19965), (132, 19360), (160, 15972), (165, 15488), (176, 14520), (192, 13310), (220, 11616), (240, 10648), (242, 10560), (264, 9680), (320, 7986), (330, 7744), (352, 7260), (363, 7040), (384, 6655), (440, 5808), (480, 5324), (484, 5280), (528, 4840), (605, 4224), (640, 3993), (660, 3872), (704, 3630), (726, 3520), (880, 2904), (960, 2662), (968, 2640), (1056, 2420), (1210, 2112), (1320, 1936), (1331, 1920), (1408, 1815), (1452, 1760)]