6640480

素因数分解:

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

素因数の和:58

約数の個数: 144

約数和(自身を含む): 20109600

約数和(自身を除く): 13469120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 121, 140, 154, 160, 176, 196, 220, 224, 242, 245, 280, 308, 343, 352, 385, 392, 440, 484, 490, 539, 560, 605, 616, 686, 770, 784, 847, 880, 968, 980, 1078, 1120, 1210, 1232, 1372, 1540, 1568, 1694, 1715, 1760, 1936, 1960, 2156, 2420, 2464, 2695, 2744, 3080, 3388, 3430, 3773, 3872, 3920, 4235, 4312, 4840, 5390, 5488, 5929, 6160, 6776, 6860, 7546, 7840, 8470, 8624, 9680, 10780, 10976, 11858, 12320, 13552, 13720, 15092, 16940, 17248, 18865, 19360, 21560, 23716, 27104, 27440, 29645, 30184, 33880, 37730, 41503, 43120, 47432, 54880, 59290, 60368, 67760, 75460, 83006, 86240, 94864, 118580, 120736, 135520, 150920, 166012, 189728, 207515, 237160, 301840, 332024, 415030, 474320, 603680, 664048, 830060, 948640, 1328096, 1660120, 3320240, 6640480]

約数ペア:

[(1, 6640480), (2, 3320240), (4, 1660120), (5, 1328096), (7, 948640), (8, 830060), (10, 664048), (11, 603680), (14, 474320), (16, 415030), (20, 332024), (22, 301840), (28, 237160), (32, 207515), (35, 189728), (40, 166012), (44, 150920), (49, 135520), (55, 120736), (56, 118580), (70, 94864), (77, 86240), (80, 83006), (88, 75460), (98, 67760), (110, 60368), (112, 59290), (121, 54880), (140, 47432), (154, 43120), (160, 41503), (176, 37730), (196, 33880), (220, 30184), (224, 29645), (242, 27440), (245, 27104), (280, 23716), (308, 21560), (343, 19360), (352, 18865), (385, 17248), (392, 16940), (440, 15092), (484, 13720), (490, 13552), (539, 12320), (560, 11858), (605, 10976), (616, 10780), (686, 9680), (770, 8624), (784, 8470), (847, 7840), (880, 7546), (968, 6860), (980, 6776), (1078, 6160), (1120, 5929), (1210, 5488), (1232, 5390), (1372, 4840), (1540, 4312), (1568, 4235), (1694, 3920), (1715, 3872), (1760, 3773), (1936, 3430), (1960, 3388), (2156, 3080), (2420, 2744), (2464, 2695)]