64189740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1669}}^1$

素因数の和:2322

約数の個数: 48

約数和(自身を含む): 180119520

約数和(自身を除く): 115929780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 641, 1282, 1669, 1923, 2564, 3205, 3338, 3846, 5007, 6410, 6676, 7692, 8345, 9615, 10014, 12820, 16690, 19230, 20028, 25035, 33380, 38460, 50070, 100140, 1069829, 2139658, 3209487, 4279316, 5349145, 6418974, 10698290, 12837948, 16047435, 21396580, 32094870, 64189740]

約数ペア:

[(1, 64189740), (2, 32094870), (3, 21396580), (4, 16047435), (5, 12837948), (6, 10698290), (10, 6418974), (12, 5349145), (15, 4279316), (20, 3209487), (30, 2139658), (60, 1069829), (641, 100140), (1282, 50070), (1669, 38460), (1923, 33380), (2564, 25035), (3205, 20028), (3338, 19230), (3846, 16690), (5007, 12820), (6410, 10014), (6676, 9615), (7692, 8345)]