87645420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5471}}^1$

素因数の和:5575

約数の個数: 72

約数和(自身を含む): 268894080

約数和(自身を除く): 181248660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 5471, 8010, 10942, 16020, 16413, 21884, 27355, 32826, 49239, 54710, 65652, 82065, 98478, 109420, 164130, 196956, 246195, 328260, 486919, 492390, 973838, 984780, 1460757, 1947676, 2434595, 2921514, 4382271, 4869190, 5843028, 7303785, 8764542, 9738380, 14607570, 17529084, 21911355, 29215140, 43822710, 87645420]

約数ペア:

[(1, 87645420), (2, 43822710), (3, 29215140), (4, 21911355), (5, 17529084), (6, 14607570), (9, 9738380), (10, 8764542), (12, 7303785), (15, 5843028), (18, 4869190), (20, 4382271), (30, 2921514), (36, 2434595), (45, 1947676), (60, 1460757), (89, 984780), (90, 973838), (178, 492390), (180, 486919), (267, 328260), (356, 246195), (445, 196956), (534, 164130), (801, 109420), (890, 98478), (1068, 82065), (1335, 65652), (1602, 54710), (1780, 49239), (2670, 32826), (3204, 27355), (4005, 21884), (5340, 16413), (5471, 16020), (8010, 10942)]