78942120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21221}}^1$

素因数の和:21266

約数の個数: 64

約数和(自身を含む): 244477440

約数和(自身を除く): 165535320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 21221, 42442, 63663, 84884, 106105, 127326, 169768, 212210, 254652, 318315, 424420, 509304, 636630, 657851, 848840, 1273260, 1315702, 1973553, 2546520, 2631404, 3289255, 3947106, 5262808, 6578510, 7894212, 9867765, 13157020, 15788424, 19735530, 26314040, 39471060, 78942120]

約数ペア:

[(1, 78942120), (2, 39471060), (3, 26314040), (4, 19735530), (5, 15788424), (6, 13157020), (8, 9867765), (10, 7894212), (12, 6578510), (15, 5262808), (20, 3947106), (24, 3289255), (30, 2631404), (31, 2546520), (40, 1973553), (60, 1315702), (62, 1273260), (93, 848840), (120, 657851), (124, 636630), (155, 509304), (186, 424420), (248, 318315), (310, 254652), (372, 212210), (465, 169768), (620, 127326), (744, 106105), (930, 84884), (1240, 63663), (1860, 42442), (3720, 21221)]