12906780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2417}}^1$

素因数の和:2518

約数の個数: 48

約数和(自身を含む): 36560160

約数和(自身を除く): 23653380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2417, 2670, 4834, 5340, 7251, 9668, 12085, 14502, 24170, 29004, 36255, 48340, 72510, 145020, 215113, 430226, 645339, 860452, 1075565, 1290678, 2151130, 2581356, 3226695, 4302260, 6453390, 12906780]

約数ペア:

[(1, 12906780), (2, 6453390), (3, 4302260), (4, 3226695), (5, 2581356), (6, 2151130), (10, 1290678), (12, 1075565), (15, 860452), (20, 645339), (30, 430226), (60, 215113), (89, 145020), (178, 72510), (267, 48340), (356, 36255), (445, 29004), (534, 24170), (890, 14502), (1068, 12085), (1335, 9668), (1780, 7251), (2417, 5340), (2670, 4834)]