1948635540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{636809}}^1$

素因数の和:636841

約数の個数: 72

約数和(自身を含む): 6258568680

約数和(自身を除く): 4309933140

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, 636809, 1273618, 1910427, 2547236, 3184045, 3820854, 5731281, 6368090, 7641708, 9552135, 10825753, 11462562, 12736180, 19104270, 21651506, 22925124, 28656405, 32477259, 38208540, 43303012, 54128765, 57312810, 64954518, 97431777, 108257530, 114625620, 129909036, 162386295, 194863554, 216515060, 324772590, 389727108, 487158885, 649545180, 974317770, 1948635540]

約数ペア:

[(1, 1948635540), (2, 974317770), (3, 649545180), (4, 487158885), (5, 389727108), (6, 324772590), (9, 216515060), (10, 194863554), (12, 162386295), (15, 129909036), (17, 114625620), (18, 108257530), (20, 97431777), (30, 64954518), (34, 57312810), (36, 54128765), (45, 43303012), (51, 38208540), (60, 32477259), (68, 28656405), (85, 22925124), (90, 21651506), (102, 19104270), (153, 12736180), (170, 11462562), (180, 10825753), (204, 9552135), (255, 7641708), (306, 6368090), (340, 5731281), (510, 3820854), (612, 3184045), (765, 2547236), (1020, 1910427), (1530, 1273618), (3060, 636809)]