19654800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1489}}^1$

素因数の和:1521

約数の個数: 120

約数和(自身を含む): 68730720

約数和(自身を除く): 49075920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 100, 110, 120, 132, 150, 165, 176, 200, 220, 240, 264, 275, 300, 330, 400, 440, 528, 550, 600, 660, 825, 880, 1100, 1200, 1320, 1489, 1650, 2200, 2640, 2978, 3300, 4400, 4467, 5956, 6600, 7445, 8934, 11912, 13200, 14890, 16379, 17868, 22335, 23824, 29780, 32758, 35736, 37225, 44670, 49137, 59560, 65516, 71472, 74450, 81895, 89340, 98274, 111675, 119120, 131032, 148900, 163790, 178680, 196548, 223350, 245685, 262064, 297800, 327580, 357360, 393096, 409475, 446700, 491370, 595600, 655160, 786192, 818950, 893400, 982740, 1228425, 1310320, 1637900, 1786800, 1965480, 2456850, 3275800, 3930960, 4913700, 6551600, 9827400, 19654800]

約数ペア:

[(1, 19654800), (2, 9827400), (3, 6551600), (4, 4913700), (5, 3930960), (6, 3275800), (8, 2456850), (10, 1965480), (11, 1786800), (12, 1637900), (15, 1310320), (16, 1228425), (20, 982740), (22, 893400), (24, 818950), (25, 786192), (30, 655160), (33, 595600), (40, 491370), (44, 446700), (48, 409475), (50, 393096), (55, 357360), (60, 327580), (66, 297800), (75, 262064), (80, 245685), (88, 223350), (100, 196548), (110, 178680), (120, 163790), (132, 148900), (150, 131032), (165, 119120), (176, 111675), (200, 98274), (220, 89340), (240, 81895), (264, 74450), (275, 71472), (300, 65516), (330, 59560), (400, 49137), (440, 44670), (528, 37225), (550, 35736), (600, 32758), (660, 29780), (825, 23824), (880, 22335), (1100, 17868), (1200, 16379), (1320, 14890), (1489, 13200), (1650, 11912), (2200, 8934), (2640, 7445), (2978, 6600), (3300, 5956), (4400, 4467)]