1857420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 5975424

約数和(自身を除く): 4118004

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, 607, 612, 765, 1020, 1214, 1530, 1821, 2428, 3035, 3060, 3642, 5463, 6070, 7284, 9105, 10319, 10926, 12140, 18210, 20638, 21852, 27315, 30957, 36420, 41276, 51595, 54630, 61914, 92871, 103190, 109260, 123828, 154785, 185742, 206380, 309570, 371484, 464355, 619140, 928710, 1857420]

約数ペア:

[(1, 1857420), (2, 928710), (3, 619140), (4, 464355), (5, 371484), (6, 309570), (9, 206380), (10, 185742), (12, 154785), (15, 123828), (17, 109260), (18, 103190), (20, 92871), (30, 61914), (34, 54630), (36, 51595), (45, 41276), (51, 36420), (60, 30957), (68, 27315), (85, 21852), (90, 20638), (102, 18210), (153, 12140), (170, 10926), (180, 10319), (204, 9105), (255, 7284), (306, 6070), (340, 5463), (510, 3642), (607, 3060), (612, 3035), (765, 2428), (1020, 1821), (1214, 1530)]