157797760

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3121}}^1$

素因数の和:3219

約数の個数: 64

約数和(自身を含む): 382132800

約数和(自身を除く): 224335040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 790, 1264, 1580, 2528, 3121, 3160, 5056, 6242, 6320, 10112, 12484, 12640, 15605, 24968, 25280, 31210, 49936, 50560, 62420, 99872, 124840, 199744, 246559, 249680, 399488, 493118, 499360, 986236, 998720, 1232795, 1972472, 1997440, 2465590, 3944944, 4931180, 7889888, 9862360, 15779776, 19724720, 31559552, 39449440, 78898880, 157797760]

約数ペア:

[(1, 157797760), (2, 78898880), (4, 39449440), (5, 31559552), (8, 19724720), (10, 15779776), (16, 9862360), (20, 7889888), (32, 4931180), (40, 3944944), (64, 2465590), (79, 1997440), (80, 1972472), (128, 1232795), (158, 998720), (160, 986236), (316, 499360), (320, 493118), (395, 399488), (632, 249680), (640, 246559), (790, 199744), (1264, 124840), (1580, 99872), (2528, 62420), (3121, 50560), (3160, 49936), (5056, 31210), (6242, 25280), (6320, 24968), (10112, 15605), (12484, 12640)]