1249020

素因数分解:

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

素因数の和:281

約数の個数: 72

約数和(自身を含む): 3944304

約数和(自身を除く): 2695284

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, 257, 270, 324, 405, 486, 514, 540, 771, 810, 972, 1028, 1215, 1285, 1542, 1620, 2313, 2430, 2570, 3084, 3855, 4626, 4860, 5140, 6939, 7710, 9252, 11565, 13878, 15420, 20817, 23130, 27756, 34695, 41634, 46260, 62451, 69390, 83268, 104085, 124902, 138780, 208170, 249804, 312255, 416340, 624510, 1249020]

約数ペア:

[(1, 1249020), (2, 624510), (3, 416340), (4, 312255), (5, 249804), (6, 208170), (9, 138780), (10, 124902), (12, 104085), (15, 83268), (18, 69390), (20, 62451), (27, 46260), (30, 41634), (36, 34695), (45, 27756), (54, 23130), (60, 20817), (81, 15420), (90, 13878), (108, 11565), (135, 9252), (162, 7710), (180, 6939), (243, 5140), (257, 4860), (270, 4626), (324, 3855), (405, 3084), (486, 2570), (514, 2430), (540, 2313), (771, 1620), (810, 1542), (972, 1285), (1028, 1215)]