128253780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4657}}^1$

素因数の和:4695

約数の個数: 120

約数和(自身を含む): 426095208

約数和(自身を除く): 297841428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 324, 340, 405, 459, 510, 540, 612, 765, 810, 918, 1020, 1377, 1530, 1620, 1836, 2295, 2754, 3060, 4590, 4657, 5508, 6885, 9180, 9314, 13770, 13971, 18628, 23285, 27540, 27942, 41913, 46570, 55884, 69855, 79169, 83826, 93140, 125739, 139710, 158338, 167652, 209565, 237507, 251478, 279420, 316676, 377217, 395845, 419130, 475014, 502956, 628695, 712521, 754434, 791690, 838260, 950028, 1187535, 1257390, 1425042, 1508868, 1583380, 1886085, 2137563, 2375070, 2514780, 2850084, 3562605, 3772170, 4275126, 4750140, 6412689, 7125210, 7544340, 8550252, 10687815, 12825378, 14250420, 21375630, 25650756, 32063445, 42751260, 64126890, 128253780]

約数ペア:

[(1, 128253780), (2, 64126890), (3, 42751260), (4, 32063445), (5, 25650756), (6, 21375630), (9, 14250420), (10, 12825378), (12, 10687815), (15, 8550252), (17, 7544340), (18, 7125210), (20, 6412689), (27, 4750140), (30, 4275126), (34, 3772170), (36, 3562605), (45, 2850084), (51, 2514780), (54, 2375070), (60, 2137563), (68, 1886085), (81, 1583380), (85, 1508868), (90, 1425042), (102, 1257390), (108, 1187535), (135, 950028), (153, 838260), (162, 791690), (170, 754434), (180, 712521), (204, 628695), (255, 502956), (270, 475014), (306, 419130), (324, 395845), (340, 377217), (405, 316676), (459, 279420), (510, 251478), (540, 237507), (612, 209565), (765, 167652), (810, 158338), (918, 139710), (1020, 125739), (1377, 93140), (1530, 83826), (1620, 79169), (1836, 69855), (2295, 55884), (2754, 46570), (3060, 41913), (4590, 27942), (4657, 27540), (5508, 23285), (6885, 18628), (9180, 13971), (9314, 13770)]