221623920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43973}}^1$

素因数の和:43999

約数の個数: 120

約数和(自身を含む): 850633056

約数和(自身を除く): 629009136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 43973, 87946, 131919, 175892, 219865, 263838, 307811, 351784, 395757, 439730, 527676, 615622, 659595, 703568, 791514, 879460, 923433, 1055352, 1231244, 1319190, 1539055, 1583028, 1758920, 1846866, 1978785, 2110704, 2462488, 2638380, 2770299, 3078110, 3166056, 3517840, 3693732, 3957570, 4617165, 4924976, 5276760, 5540598, 6156220, 6332112, 7387464, 7915140, 9234330, 10553520, 11081196, 12312440, 13851495, 14774928, 15830280, 18468660, 22162392, 24624880, 27702990, 31660560, 36937320, 44324784, 55405980, 73874640, 110811960, 221623920]

約数ペア:

[(1, 221623920), (2, 110811960), (3, 73874640), (4, 55405980), (5, 44324784), (6, 36937320), (7, 31660560), (8, 27702990), (9, 24624880), (10, 22162392), (12, 18468660), (14, 15830280), (15, 14774928), (16, 13851495), (18, 12312440), (20, 11081196), (21, 10553520), (24, 9234330), (28, 7915140), (30, 7387464), (35, 6332112), (36, 6156220), (40, 5540598), (42, 5276760), (45, 4924976), (48, 4617165), (56, 3957570), (60, 3693732), (63, 3517840), (70, 3166056), (72, 3078110), (80, 2770299), (84, 2638380), (90, 2462488), (105, 2110704), (112, 1978785), (120, 1846866), (126, 1758920), (140, 1583028), (144, 1539055), (168, 1319190), (180, 1231244), (210, 1055352), (240, 923433), (252, 879460), (280, 791514), (315, 703568), (336, 659595), (360, 615622), (420, 527676), (504, 439730), (560, 395757), (630, 351784), (720, 307811), (840, 263838), (1008, 219865), (1260, 175892), (1680, 131919), (2520, 87946), (5040, 43973)]