1245652020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{256307}}^1$

素因数の和:256331

約数の個数: 72

約数和(自身を含む): 3918436704

約数和(自身を除く): 2672784684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 256307, 512614, 768921, 1025228, 1281535, 1537842, 2306763, 2563070, 3075684, 3844605, 4613526, 5126140, 6920289, 7689210, 9227052, 11533815, 13840578, 15378420, 20760867, 23067630, 27681156, 34601445, 41521734, 46135260, 62282601, 69202890, 83043468, 103804335, 124565202, 138405780, 207608670, 249130404, 311413005, 415217340, 622826010, 1245652020]

約数ペア:

[(1, 1245652020), (2, 622826010), (3, 415217340), (4, 311413005), (5, 249130404), (6, 207608670), (9, 138405780), (10, 124565202), (12, 103804335), (15, 83043468), (18, 69202890), (20, 62282601), (27, 46135260), (30, 41521734), (36, 34601445), (45, 27681156), (54, 23067630), (60, 20760867), (81, 15378420), (90, 13840578), (108, 11533815), (135, 9227052), (162, 7689210), (180, 6920289), (243, 5126140), (270, 4613526), (324, 3844605), (405, 3075684), (486, 2563070), (540, 2306763), (810, 1537842), (972, 1281535), (1215, 1025228), (1620, 768921), (2430, 512614), (4860, 256307)]