80317980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1217

約数の個数: 120

約数和(自身を含む): 258043632

約数和(自身を除く): 177725652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 258, 270, 324, 387, 405, 430, 516, 540, 645, 774, 810, 860, 1153, 1161, 1290, 1548, 1620, 1935, 2306, 2322, 2580, 3459, 3483, 3870, 4612, 4644, 5765, 5805, 6918, 6966, 7740, 10377, 11530, 11610, 13836, 13932, 17295, 17415, 20754, 23060, 23220, 31131, 34590, 34830, 41508, 49579, 51885, 62262, 69180, 69660, 93393, 99158, 103770, 124524, 148737, 155655, 186786, 198316, 207540, 247895, 297474, 311310, 373572, 446211, 466965, 495790, 594948, 622620, 743685, 892422, 933930, 991580, 1338633, 1487370, 1784844, 1867860, 2231055, 2677266, 2974740, 4015899, 4462110, 5354532, 6693165, 8031798, 8924220, 13386330, 16063596, 20079495, 26772660, 40158990, 80317980]

約数ペア:

[(1, 80317980), (2, 40158990), (3, 26772660), (4, 20079495), (5, 16063596), (6, 13386330), (9, 8924220), (10, 8031798), (12, 6693165), (15, 5354532), (18, 4462110), (20, 4015899), (27, 2974740), (30, 2677266), (36, 2231055), (43, 1867860), (45, 1784844), (54, 1487370), (60, 1338633), (81, 991580), (86, 933930), (90, 892422), (108, 743685), (129, 622620), (135, 594948), (162, 495790), (172, 466965), (180, 446211), (215, 373572), (258, 311310), (270, 297474), (324, 247895), (387, 207540), (405, 198316), (430, 186786), (516, 155655), (540, 148737), (645, 124524), (774, 103770), (810, 99158), (860, 93393), (1153, 69660), (1161, 69180), (1290, 62262), (1548, 51885), (1620, 49579), (1935, 41508), (2306, 34830), (2322, 34590), (2580, 31131), (3459, 23220), (3483, 23060), (3870, 20754), (4612, 17415), (4644, 17295), (5765, 13932), (5805, 13836), (6918, 11610), (6966, 11530), (7740, 10377)]