15709020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15401}}^1$

素因数の和:15430

約数の個数: 48

約数和(自身を含む): 46575648

約数和(自身を除く): 30866628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 15401, 30802, 46203, 61604, 77005, 92406, 154010, 184812, 231015, 261817, 308020, 462030, 523634, 785451, 924060, 1047268, 1309085, 1570902, 2618170, 3141804, 3927255, 5236340, 7854510, 15709020]

約数ペア:

[(1, 15709020), (2, 7854510), (3, 5236340), (4, 3927255), (5, 3141804), (6, 2618170), (10, 1570902), (12, 1309085), (15, 1047268), (17, 924060), (20, 785451), (30, 523634), (34, 462030), (51, 308020), (60, 261817), (68, 231015), (85, 184812), (102, 154010), (170, 92406), (204, 77005), (255, 61604), (340, 46203), (510, 30802), (1020, 15401)]