56478420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18457}}^1$

素因数の和:18489

約数の個数: 72

約数和(自身を含む): 181405224

約数和(自身を除く): 124926804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 18457, 36914, 55371, 73828, 92285, 110742, 166113, 184570, 221484, 276855, 313769, 332226, 369140, 553710, 627538, 664452, 830565, 941307, 1107420, 1255076, 1568845, 1661130, 1882614, 2823921, 3137690, 3322260, 3765228, 4706535, 5647842, 6275380, 9413070, 11295684, 14119605, 18826140, 28239210, 56478420]

約数ペア:

[(1, 56478420), (2, 28239210), (3, 18826140), (4, 14119605), (5, 11295684), (6, 9413070), (9, 6275380), (10, 5647842), (12, 4706535), (15, 3765228), (17, 3322260), (18, 3137690), (20, 2823921), (30, 1882614), (34, 1661130), (36, 1568845), (45, 1255076), (51, 1107420), (60, 941307), (68, 830565), (85, 664452), (90, 627538), (102, 553710), (153, 369140), (170, 332226), (180, 313769), (204, 276855), (255, 221484), (306, 184570), (340, 166113), (510, 110742), (612, 92285), (765, 73828), (1020, 55371), (1530, 36914), (3060, 18457)]