1215722520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{375223}}^1$

素因数の和:375246

約数の個数: 80

約数和(自身を含む): 4086189360

約数和(自身を除く): 2870466840

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, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 375223, 750446, 1125669, 1500892, 1876115, 2251338, 3001784, 3377007, 3752230, 4502676, 5628345, 6754014, 7504460, 9005352, 10131021, 11256690, 13508028, 15008920, 16885035, 20262042, 22513380, 27016056, 30393063, 33770070, 40524084, 45026760, 50655105, 60786126, 67540140, 81048168, 101310210, 121572252, 135080280, 151965315, 202620420, 243144504, 303930630, 405240840, 607861260, 1215722520]

約数ペア:

[(1, 1215722520), (2, 607861260), (3, 405240840), (4, 303930630), (5, 243144504), (6, 202620420), (8, 151965315), (9, 135080280), (10, 121572252), (12, 101310210), (15, 81048168), (18, 67540140), (20, 60786126), (24, 50655105), (27, 45026760), (30, 40524084), (36, 33770070), (40, 30393063), (45, 27016056), (54, 22513380), (60, 20262042), (72, 16885035), (81, 15008920), (90, 13508028), (108, 11256690), (120, 10131021), (135, 9005352), (162, 7504460), (180, 6754014), (216, 5628345), (270, 4502676), (324, 3752230), (360, 3377007), (405, 3001784), (540, 2251338), (648, 1876115), (810, 1500892), (1080, 1125669), (1620, 750446), (3240, 375223)]