72778920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3863}}^1$

素因数の和:4034

約数の個数: 64

約数和(自身を含む): 219784320

約数和(自身を除く): 147005400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 3863, 4710, 6280, 7726, 9420, 11589, 15452, 18840, 19315, 23178, 30904, 38630, 46356, 57945, 77260, 92712, 115890, 154520, 231780, 463560, 606491, 1212982, 1819473, 2425964, 3032455, 3638946, 4851928, 6064910, 7277892, 9097365, 12129820, 14555784, 18194730, 24259640, 36389460, 72778920]

約数ペア:

[(1, 72778920), (2, 36389460), (3, 24259640), (4, 18194730), (5, 14555784), (6, 12129820), (8, 9097365), (10, 7277892), (12, 6064910), (15, 4851928), (20, 3638946), (24, 3032455), (30, 2425964), (40, 1819473), (60, 1212982), (120, 606491), (157, 463560), (314, 231780), (471, 154520), (628, 115890), (785, 92712), (942, 77260), (1256, 57945), (1570, 46356), (1884, 38630), (2355, 30904), (3140, 23178), (3768, 19315), (3863, 18840), (4710, 15452), (6280, 11589), (7726, 9420)]