77626780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 218332800

約数和(自身を除く): 140706020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 76, 77, 95, 98, 110, 133, 140, 154, 190, 196, 209, 220, 245, 266, 308, 379, 380, 385, 418, 490, 532, 539, 665, 758, 770, 836, 931, 980, 1045, 1078, 1330, 1463, 1516, 1540, 1862, 1895, 2090, 2156, 2653, 2660, 2695, 2926, 3724, 3790, 4169, 4180, 4655, 5306, 5390, 5852, 7201, 7315, 7580, 8338, 9310, 10241, 10612, 10780, 13265, 14402, 14630, 16676, 18571, 18620, 20482, 20845, 26530, 28804, 29183, 29260, 36005, 37142, 40964, 41690, 50407, 51205, 53060, 58366, 72010, 74284, 79211, 83380, 92855, 100814, 102410, 116732, 144020, 145915, 158422, 185710, 201628, 204281, 204820, 252035, 291830, 316844, 352849, 371420, 396055, 408562, 504070, 554477, 583660, 705698, 792110, 817124, 1008140, 1021405, 1108954, 1411396, 1584220, 1764245, 2042810, 2217908, 2772385, 3528490, 3881339, 4085620, 5544770, 7056980, 7762678, 11089540, 15525356, 19406695, 38813390, 77626780]

約数ペア:

[(1, 77626780), (2, 38813390), (4, 19406695), (5, 15525356), (7, 11089540), (10, 7762678), (11, 7056980), (14, 5544770), (19, 4085620), (20, 3881339), (22, 3528490), (28, 2772385), (35, 2217908), (38, 2042810), (44, 1764245), (49, 1584220), (55, 1411396), (70, 1108954), (76, 1021405), (77, 1008140), (95, 817124), (98, 792110), (110, 705698), (133, 583660), (140, 554477), (154, 504070), (190, 408562), (196, 396055), (209, 371420), (220, 352849), (245, 316844), (266, 291830), (308, 252035), (379, 204820), (380, 204281), (385, 201628), (418, 185710), (490, 158422), (532, 145915), (539, 144020), (665, 116732), (758, 102410), (770, 100814), (836, 92855), (931, 83380), (980, 79211), (1045, 74284), (1078, 72010), (1330, 58366), (1463, 53060), (1516, 51205), (1540, 50407), (1862, 41690), (1895, 40964), (2090, 37142), (2156, 36005), (2653, 29260), (2660, 29183), (2695, 28804), (2926, 26530), (3724, 20845), (3790, 20482), (4169, 18620), (4180, 18571), (4655, 16676), (5306, 14630), (5390, 14402), (5852, 13265), (7201, 10780), (7315, 10612), (7580, 10241), (8338, 9310)]