79441520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 191154432

約数和(自身を除く): 111712912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 73, 80, 122, 146, 223, 244, 292, 305, 365, 446, 488, 584, 610, 730, 892, 976, 1115, 1168, 1220, 1460, 1784, 2230, 2440, 2920, 3568, 4453, 4460, 4880, 5840, 8906, 8920, 13603, 16279, 17812, 17840, 22265, 27206, 32558, 35624, 44530, 54412, 65116, 68015, 71248, 81395, 89060, 108824, 130232, 136030, 162790, 178120, 217648, 260464, 272060, 325580, 356240, 544120, 651160, 993019, 1088240, 1302320, 1986038, 3972076, 4965095, 7944152, 9930190, 15888304, 19860380, 39720760, 79441520]

約数ペア:

[(1, 79441520), (2, 39720760), (4, 19860380), (5, 15888304), (8, 9930190), (10, 7944152), (16, 4965095), (20, 3972076), (40, 1986038), (61, 1302320), (73, 1088240), (80, 993019), (122, 651160), (146, 544120), (223, 356240), (244, 325580), (292, 272060), (305, 260464), (365, 217648), (446, 178120), (488, 162790), (584, 136030), (610, 130232), (730, 108824), (892, 89060), (976, 81395), (1115, 71248), (1168, 68015), (1220, 65116), (1460, 54412), (1784, 44530), (2230, 35624), (2440, 32558), (2920, 27206), (3568, 22265), (4453, 17840), (4460, 17812), (4880, 16279), (5840, 13603), (8906, 8920)]