221330280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{7013}}^1$

素因数の和:7290

約数の個数: 64

約数和(自身を含む): 666610560

約数和(自身を除く): 445280280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 526, 789, 1052, 1315, 1578, 2104, 2630, 3156, 3945, 5260, 6312, 7013, 7890, 10520, 14026, 15780, 21039, 28052, 31560, 35065, 42078, 56104, 70130, 84156, 105195, 140260, 168312, 210390, 280520, 420780, 841560, 1844419, 3688838, 5533257, 7377676, 9222095, 11066514, 14755352, 18444190, 22133028, 27666285, 36888380, 44266056, 55332570, 73776760, 110665140, 221330280]

約数ペア:

[(1, 221330280), (2, 110665140), (3, 73776760), (4, 55332570), (5, 44266056), (6, 36888380), (8, 27666285), (10, 22133028), (12, 18444190), (15, 14755352), (20, 11066514), (24, 9222095), (30, 7377676), (40, 5533257), (60, 3688838), (120, 1844419), (263, 841560), (526, 420780), (789, 280520), (1052, 210390), (1315, 168312), (1578, 140260), (2104, 105195), (2630, 84156), (3156, 70130), (3945, 56104), (5260, 42078), (6312, 35065), (7013, 31560), (7890, 28052), (10520, 21039), (14026, 15780)]