77824880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4483}}^1$

素因数の和:4534

約数の個数: 80

約数和(自身を含む): 213510144

約数和(自身を除く): 135685264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 4483, 8680, 8966, 17360, 17932, 22415, 31381, 35864, 44830, 62762, 71728, 89660, 125524, 138973, 156905, 179320, 251048, 277946, 313810, 358640, 502096, 555892, 627620, 694865, 972811, 1111784, 1255240, 1389730, 1945622, 2223568, 2510480, 2779460, 3891244, 4864055, 5558920, 7782488, 9728110, 11117840, 15564976, 19456220, 38912440, 77824880]

約数ペア:

[(1, 77824880), (2, 38912440), (4, 19456220), (5, 15564976), (7, 11117840), (8, 9728110), (10, 7782488), (14, 5558920), (16, 4864055), (20, 3891244), (28, 2779460), (31, 2510480), (35, 2223568), (40, 1945622), (56, 1389730), (62, 1255240), (70, 1111784), (80, 972811), (112, 694865), (124, 627620), (140, 555892), (155, 502096), (217, 358640), (248, 313810), (280, 277946), (310, 251048), (434, 179320), (496, 156905), (560, 138973), (620, 125524), (868, 89660), (1085, 71728), (1240, 62762), (1736, 44830), (2170, 35864), (2480, 31381), (3472, 22415), (4340, 17932), (4483, 17360), (8680, 8966)]