668520

素因数分解:

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

素因数の和:639

約数の個数: 64

約数和(自身を含む): 2232000

約数和(自身を除く): 1563480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 619, 1080, 1238, 1857, 2476, 3095, 3714, 4952, 5571, 6190, 7428, 9285, 11142, 12380, 14856, 16713, 18570, 22284, 24760, 27855, 33426, 37140, 44568, 55710, 66852, 74280, 83565, 111420, 133704, 167130, 222840, 334260, 668520]

約数ペア:

[(1, 668520), (2, 334260), (3, 222840), (4, 167130), (5, 133704), (6, 111420), (8, 83565), (9, 74280), (10, 66852), (12, 55710), (15, 44568), (18, 37140), (20, 33426), (24, 27855), (27, 24760), (30, 22284), (36, 18570), (40, 16713), (45, 14856), (54, 12380), (60, 11142), (72, 9285), (90, 7428), (108, 6190), (120, 5571), (135, 4952), (180, 3714), (216, 3095), (270, 2476), (360, 1857), (540, 1238), (619, 1080)]