18747120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11159}}^1$

素因数の和:11182

約数の個数: 80

約数和(自身を含む): 66424320

約数和(自身を除く): 47677200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11159, 22318, 33477, 44636, 55795, 66954, 78113, 89272, 111590, 133908, 156226, 167385, 178544, 223180, 234339, 267816, 312452, 334770, 390565, 446360, 468678, 535632, 624904, 669540, 781130, 892720, 937356, 1171695, 1249808, 1339080, 1562260, 1874712, 2343390, 2678160, 3124520, 3749424, 4686780, 6249040, 9373560, 18747120]

約数ペア:

[(1, 18747120), (2, 9373560), (3, 6249040), (4, 4686780), (5, 3749424), (6, 3124520), (7, 2678160), (8, 2343390), (10, 1874712), (12, 1562260), (14, 1339080), (15, 1249808), (16, 1171695), (20, 937356), (21, 892720), (24, 781130), (28, 669540), (30, 624904), (35, 535632), (40, 468678), (42, 446360), (48, 390565), (56, 334770), (60, 312452), (70, 267816), (80, 234339), (84, 223180), (105, 178544), (112, 167385), (120, 156226), (140, 133908), (168, 111590), (210, 89272), (240, 78113), (280, 66954), (336, 55795), (420, 44636), (560, 33477), (840, 22318), (1680, 11159)]