219240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1$

素因数の和:56

約数の個数: 128

約数和(自身を含む): 864000

約数和(自身を除く): 644760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 29, 30, 35, 36, 40, 42, 45, 54, 56, 58, 60, 63, 70, 72, 84, 87, 90, 105, 108, 116, 120, 126, 135, 140, 145, 168, 174, 180, 189, 203, 210, 216, 232, 252, 261, 270, 280, 290, 315, 348, 360, 378, 406, 420, 435, 504, 522, 540, 580, 609, 630, 696, 756, 783, 812, 840, 870, 945, 1015, 1044, 1080, 1160, 1218, 1260, 1305, 1512, 1566, 1624, 1740, 1827, 1890, 2030, 2088, 2436, 2520, 2610, 3045, 3132, 3480, 3654, 3780, 3915, 4060, 4872, 5220, 5481, 6090, 6264, 7308, 7560, 7830, 8120, 9135, 10440, 10962, 12180, 14616, 15660, 18270, 21924, 24360, 27405, 31320, 36540, 43848, 54810, 73080, 109620, 219240]

約数ペア:

[(1, 219240), (2, 109620), (3, 73080), (4, 54810), (5, 43848), (6, 36540), (7, 31320), (8, 27405), (9, 24360), (10, 21924), (12, 18270), (14, 15660), (15, 14616), (18, 12180), (20, 10962), (21, 10440), (24, 9135), (27, 8120), (28, 7830), (29, 7560), (30, 7308), (35, 6264), (36, 6090), (40, 5481), (42, 5220), (45, 4872), (54, 4060), (56, 3915), (58, 3780), (60, 3654), (63, 3480), (70, 3132), (72, 3045), (84, 2610), (87, 2520), (90, 2436), (105, 2088), (108, 2030), (116, 1890), (120, 1827), (126, 1740), (135, 1624), (140, 1566), (145, 1512), (168, 1305), (174, 1260), (180, 1218), (189, 1160), (203, 1080), (210, 1044), (216, 1015), (232, 945), (252, 870), (261, 840), (270, 812), (280, 783), (290, 756), (315, 696), (348, 630), (360, 609), (378, 580), (406, 540), (420, 522), (435, 504)]