7880520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3863}}^1$

素因数の和:3894

約数の個数: 64

約数和(自身を含む): 25038720

約数和(自身を除く): 17158200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 3863, 7726, 11589, 15452, 19315, 23178, 30904, 38630, 46356, 57945, 65671, 77260, 92712, 115890, 131342, 154520, 197013, 231780, 262684, 328355, 394026, 463560, 525368, 656710, 788052, 985065, 1313420, 1576104, 1970130, 2626840, 3940260, 7880520]

約数ペア:

[(1, 7880520), (2, 3940260), (3, 2626840), (4, 1970130), (5, 1576104), (6, 1313420), (8, 985065), (10, 788052), (12, 656710), (15, 525368), (17, 463560), (20, 394026), (24, 328355), (30, 262684), (34, 231780), (40, 197013), (51, 154520), (60, 131342), (68, 115890), (85, 92712), (102, 77260), (120, 65671), (136, 57945), (170, 46356), (204, 38630), (255, 30904), (340, 23178), (408, 19315), (510, 15452), (680, 11589), (1020, 7726), (2040, 3863)]