78426120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2543}}^1$

素因数の和:2814

約数の個数: 64

約数和(自身を含む): 236286720

約数和(自身を除く): 157860600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2543, 2570, 3084, 3855, 5086, 5140, 6168, 7629, 7710, 10172, 10280, 12715, 15258, 15420, 20344, 25430, 30516, 30840, 38145, 50860, 61032, 76290, 101720, 152580, 305160, 653551, 1307102, 1960653, 2614204, 3267755, 3921306, 5228408, 6535510, 7842612, 9803265, 13071020, 15685224, 19606530, 26142040, 39213060, 78426120]

約数ペア:

[(1, 78426120), (2, 39213060), (3, 26142040), (4, 19606530), (5, 15685224), (6, 13071020), (8, 9803265), (10, 7842612), (12, 6535510), (15, 5228408), (20, 3921306), (24, 3267755), (30, 2614204), (40, 1960653), (60, 1307102), (120, 653551), (257, 305160), (514, 152580), (771, 101720), (1028, 76290), (1285, 61032), (1542, 50860), (2056, 38145), (2543, 30840), (2570, 30516), (3084, 25430), (3855, 20344), (5086, 15420), (5140, 15258), (6168, 12715), (7629, 10280), (7710, 10172)]