221420520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{205019}}^1$

素因数の和:205039

約数の個数: 64

約数和(自身を含む): 738072000

約数和(自身を除く): 516651480

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, 1080, 205019, 410038, 615057, 820076, 1025095, 1230114, 1640152, 1845171, 2050190, 2460228, 3075285, 3690342, 4100380, 4920456, 5535513, 6150570, 7380684, 8200760, 9225855, 11071026, 12301140, 14761368, 18451710, 22142052, 24602280, 27677565, 36903420, 44284104, 55355130, 73806840, 110710260, 221420520]

約数ペア:

[(1, 221420520), (2, 110710260), (3, 73806840), (4, 55355130), (5, 44284104), (6, 36903420), (8, 27677565), (9, 24602280), (10, 22142052), (12, 18451710), (15, 14761368), (18, 12301140), (20, 11071026), (24, 9225855), (27, 8200760), (30, 7380684), (36, 6150570), (40, 5535513), (45, 4920456), (54, 4100380), (60, 3690342), (72, 3075285), (90, 2460228), (108, 2050190), (120, 1845171), (135, 1640152), (180, 1230114), (216, 1025095), (270, 820076), (360, 615057), (540, 410038), (1080, 205019)]