31557780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10313}}^1$

素因数の和:10345

約数の個数: 72

約数和(自身を含む): 101365992

約数和(自身を除く): 69808212

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, 10313, 20626, 30939, 41252, 51565, 61878, 92817, 103130, 123756, 154695, 175321, 185634, 206260, 309390, 350642, 371268, 464085, 525963, 618780, 701284, 876605, 928170, 1051926, 1577889, 1753210, 1856340, 2103852, 2629815, 3155778, 3506420, 5259630, 6311556, 7889445, 10519260, 15778890, 31557780]

約数ペア:

[(1, 31557780), (2, 15778890), (3, 10519260), (4, 7889445), (5, 6311556), (6, 5259630), (9, 3506420), (10, 3155778), (12, 2629815), (15, 2103852), (17, 1856340), (18, 1753210), (20, 1577889), (30, 1051926), (34, 928170), (36, 876605), (45, 701284), (51, 618780), (60, 525963), (68, 464085), (85, 371268), (90, 350642), (102, 309390), (153, 206260), (170, 185634), (180, 175321), (204, 154695), (255, 123756), (306, 103130), (340, 92817), (510, 61878), (612, 51565), (765, 41252), (1020, 30939), (1530, 20626), (3060, 10313)]