78897210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2393}}^1$

素因数の和:2567

約数の個数: 64

約数和(自身を含む): 217873152

約数和(自身を除く): 138975942

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 157, 210, 314, 471, 785, 942, 1099, 1570, 2198, 2355, 2393, 3297, 4710, 4786, 5495, 6594, 7179, 10990, 11965, 14358, 16485, 16751, 23930, 32970, 33502, 35895, 50253, 71790, 83755, 100506, 167510, 251265, 375701, 502530, 751402, 1127103, 1878505, 2254206, 2629907, 3757010, 5259814, 5635515, 7889721, 11271030, 13149535, 15779442, 26299070, 39448605, 78897210]

約数ペア:

[(1, 78897210), (2, 39448605), (3, 26299070), (5, 15779442), (6, 13149535), (7, 11271030), (10, 7889721), (14, 5635515), (15, 5259814), (21, 3757010), (30, 2629907), (35, 2254206), (42, 1878505), (70, 1127103), (105, 751402), (157, 502530), (210, 375701), (314, 251265), (471, 167510), (785, 100506), (942, 83755), (1099, 71790), (1570, 50253), (2198, 35895), (2355, 33502), (2393, 32970), (3297, 23930), (4710, 16751), (4786, 16485), (5495, 14358), (6594, 11965), (7179, 10990)]