1722780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:595

約数の個数: 72

約数和(自身を含む): 5542992

約数和(自身を除く): 3820212

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, 563, 612, 765, 1020, 1126, 1530, 1689, 2252, 2815, 3060, 3378, 5067, 5630, 6756, 8445, 9571, 10134, 11260, 16890, 19142, 20268, 25335, 28713, 33780, 38284, 47855, 50670, 57426, 86139, 95710, 101340, 114852, 143565, 172278, 191420, 287130, 344556, 430695, 574260, 861390, 1722780]

約数ペア:

[(1, 1722780), (2, 861390), (3, 574260), (4, 430695), (5, 344556), (6, 287130), (9, 191420), (10, 172278), (12, 143565), (15, 114852), (17, 101340), (18, 95710), (20, 86139), (30, 57426), (34, 50670), (36, 47855), (45, 38284), (51, 33780), (60, 28713), (68, 25335), (85, 20268), (90, 19142), (102, 16890), (153, 11260), (170, 10134), (180, 9571), (204, 8445), (255, 6756), (306, 5630), (340, 5067), (510, 3378), (563, 3060), (612, 2815), (765, 2252), (1020, 1689), (1126, 1530)]