1002780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{619}}^1$

素因数の和:640

約数の個数: 60

約数和(自身を含む): 3150840

約数和(自身を除く): 2148060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 619, 810, 1238, 1620, 1857, 2476, 3095, 3714, 5571, 6190, 7428, 9285, 11142, 12380, 16713, 18570, 22284, 27855, 33426, 37140, 50139, 55710, 66852, 83565, 100278, 111420, 167130, 200556, 250695, 334260, 501390, 1002780]

約数ペア:

[(1, 1002780), (2, 501390), (3, 334260), (4, 250695), (5, 200556), (6, 167130), (9, 111420), (10, 100278), (12, 83565), (15, 66852), (18, 55710), (20, 50139), (27, 37140), (30, 33426), (36, 27855), (45, 22284), (54, 18570), (60, 16713), (81, 12380), (90, 11142), (108, 9285), (135, 7428), (162, 6190), (180, 5571), (270, 3714), (324, 3095), (405, 2476), (540, 1857), (619, 1620), (810, 1238)]