1282140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 4127760

約数和(自身を除く): 2845620

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, 419, 510, 612, 765, 838, 1020, 1257, 1530, 1676, 2095, 2514, 3060, 3771, 4190, 5028, 6285, 7123, 7542, 8380, 12570, 14246, 15084, 18855, 21369, 25140, 28492, 35615, 37710, 42738, 64107, 71230, 75420, 85476, 106845, 128214, 142460, 213690, 256428, 320535, 427380, 641070, 1282140]

約数ペア:

[(1, 1282140), (2, 641070), (3, 427380), (4, 320535), (5, 256428), (6, 213690), (9, 142460), (10, 128214), (12, 106845), (15, 85476), (17, 75420), (18, 71230), (20, 64107), (30, 42738), (34, 37710), (36, 35615), (45, 28492), (51, 25140), (60, 21369), (68, 18855), (85, 15084), (90, 14246), (102, 12570), (153, 8380), (170, 7542), (180, 7123), (204, 6285), (255, 5028), (306, 4190), (340, 3771), (419, 3060), (510, 2514), (612, 2095), (765, 1676), (838, 1530), (1020, 1257)]