78229760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{8731}}^1$

素因数の和:8759

約数の個数: 72

約数和(自身を含む): 214178496

約数和(自身を除く): 135948736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8731, 8960, 17462, 34924, 43655, 61117, 69848, 87310, 122234, 139696, 174620, 244468, 279392, 305585, 349240, 488936, 558784, 611170, 698480, 977872, 1117568, 1222340, 1396960, 1955744, 2235136, 2444680, 2793920, 3911488, 4889360, 5587840, 7822976, 9778720, 11175680, 15645952, 19557440, 39114880, 78229760]

約数ペア:

[(1, 78229760), (2, 39114880), (4, 19557440), (5, 15645952), (7, 11175680), (8, 9778720), (10, 7822976), (14, 5587840), (16, 4889360), (20, 3911488), (28, 2793920), (32, 2444680), (35, 2235136), (40, 1955744), (56, 1396960), (64, 1222340), (70, 1117568), (80, 977872), (112, 698480), (128, 611170), (140, 558784), (160, 488936), (224, 349240), (256, 305585), (280, 279392), (320, 244468), (448, 174620), (560, 139696), (640, 122234), (896, 87310), (1120, 69848), (1280, 61117), (1792, 43655), (2240, 34924), (4480, 17462), (8731, 8960)]