19895280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4363}}^1$

素因数の和:4398

約数の個数: 80

約数和(自身を含む): 64936320

約数和(自身を除く): 45041040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4363, 4560, 8726, 13089, 17452, 21815, 26178, 34904, 43630, 52356, 65445, 69808, 82897, 87260, 104712, 130890, 165794, 174520, 209424, 248691, 261780, 331588, 349040, 414485, 497382, 523560, 663176, 828970, 994764, 1047120, 1243455, 1326352, 1657940, 1989528, 2486910, 3315880, 3979056, 4973820, 6631760, 9947640, 19895280]

約数ペア:

[(1, 19895280), (2, 9947640), (3, 6631760), (4, 4973820), (5, 3979056), (6, 3315880), (8, 2486910), (10, 1989528), (12, 1657940), (15, 1326352), (16, 1243455), (19, 1047120), (20, 994764), (24, 828970), (30, 663176), (38, 523560), (40, 497382), (48, 414485), (57, 349040), (60, 331588), (76, 261780), (80, 248691), (95, 209424), (114, 174520), (120, 165794), (152, 130890), (190, 104712), (228, 87260), (240, 82897), (285, 69808), (304, 65445), (380, 52356), (456, 43630), (570, 34904), (760, 26178), (912, 21815), (1140, 17452), (1520, 13089), (2280, 8726), (4363, 4560)]