15880060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3659}}^1$

素因数の和:3706

約数の個数: 48

約数和(自身を含む): 39352320

約数和(自身を除く): 23472260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 3659, 4340, 7318, 14636, 18295, 25613, 36590, 51226, 73180, 102452, 113429, 128065, 226858, 256130, 453716, 512260, 567145, 794003, 1134290, 1588006, 2268580, 3176012, 3970015, 7940030, 15880060]

約数ペア:

[(1, 15880060), (2, 7940030), (4, 3970015), (5, 3176012), (7, 2268580), (10, 1588006), (14, 1134290), (20, 794003), (28, 567145), (31, 512260), (35, 453716), (62, 256130), (70, 226858), (124, 128065), (140, 113429), (155, 102452), (217, 73180), (310, 51226), (434, 36590), (620, 25613), (868, 18295), (1085, 14636), (2170, 7318), (3659, 4340)]