216144880

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{7877}}^1$

素因数の和:7911

約数の個数: 80

約数和(自身を含む): 586123200

約数和(自身を除く): 369978320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 7877, 13720, 15754, 27440, 31508, 39385, 55139, 63016, 78770, 110278, 126032, 157540, 220556, 275695, 315080, 385973, 441112, 551390, 630160, 771946, 882224, 1102780, 1543892, 1929865, 2205560, 2701811, 3087784, 3859730, 4411120, 5403622, 6175568, 7719460, 10807244, 13509055, 15438920, 21614488, 27018110, 30877840, 43228976, 54036220, 108072440, 216144880]

約数ペア:

[(1, 216144880), (2, 108072440), (4, 54036220), (5, 43228976), (7, 30877840), (8, 27018110), (10, 21614488), (14, 15438920), (16, 13509055), (20, 10807244), (28, 7719460), (35, 6175568), (40, 5403622), (49, 4411120), (56, 3859730), (70, 3087784), (80, 2701811), (98, 2205560), (112, 1929865), (140, 1543892), (196, 1102780), (245, 882224), (280, 771946), (343, 630160), (392, 551390), (490, 441112), (560, 385973), (686, 315080), (784, 275695), (980, 220556), (1372, 157540), (1715, 126032), (1960, 110278), (2744, 78770), (3430, 63016), (3920, 55139), (5488, 39385), (6860, 31508), (7877, 27440), (13720, 15754)]