21447600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:375

約数の個数: 120

約数和(自身を含む): 70068432

約数和(自身を除く): 48620832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 61, 75, 80, 100, 120, 122, 150, 183, 200, 240, 244, 293, 300, 305, 366, 400, 488, 586, 600, 610, 732, 879, 915, 976, 1172, 1200, 1220, 1464, 1465, 1525, 1758, 1830, 2344, 2440, 2928, 2930, 3050, 3516, 3660, 4395, 4575, 4688, 4880, 5860, 6100, 7032, 7320, 7325, 8790, 9150, 11720, 12200, 14064, 14640, 14650, 17580, 17873, 18300, 21975, 23440, 24400, 29300, 35160, 35746, 36600, 43950, 53619, 58600, 70320, 71492, 73200, 87900, 89365, 107238, 117200, 142984, 175800, 178730, 214476, 268095, 285968, 351600, 357460, 428952, 446825, 536190, 714920, 857904, 893650, 1072380, 1340475, 1429840, 1787300, 2144760, 2680950, 3574600, 4289520, 5361900, 7149200, 10723800, 21447600]

約数ペア:

[(1, 21447600), (2, 10723800), (3, 7149200), (4, 5361900), (5, 4289520), (6, 3574600), (8, 2680950), (10, 2144760), (12, 1787300), (15, 1429840), (16, 1340475), (20, 1072380), (24, 893650), (25, 857904), (30, 714920), (40, 536190), (48, 446825), (50, 428952), (60, 357460), (61, 351600), (75, 285968), (80, 268095), (100, 214476), (120, 178730), (122, 175800), (150, 142984), (183, 117200), (200, 107238), (240, 89365), (244, 87900), (293, 73200), (300, 71492), (305, 70320), (366, 58600), (400, 53619), (488, 43950), (586, 36600), (600, 35746), (610, 35160), (732, 29300), (879, 24400), (915, 23440), (976, 21975), (1172, 18300), (1200, 17873), (1220, 17580), (1464, 14650), (1465, 14640), (1525, 14064), (1758, 12200), (1830, 11720), (2344, 9150), (2440, 8790), (2928, 7325), (2930, 7320), (3050, 7032), (3516, 6100), (3660, 5860), (4395, 4880), (4575, 4688)]