280145688

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 735998400

約数和(自身を除く): 455852712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 59, 86, 107, 118, 129, 172, 177, 214, 236, 258, 321, 344, 354, 428, 472, 516, 642, 708, 856, 1032, 1284, 1416, 1849, 2537, 2568, 3698, 4601, 5074, 5547, 6313, 7396, 7611, 9202, 10148, 11094, 12626, 13803, 14792, 15222, 18404, 18939, 20296, 22188, 25252, 27606, 30444, 36808, 37878, 44376, 50504, 55212, 60888, 75756, 109091, 110424, 151512, 197843, 218182, 271459, 327273, 395686, 436364, 542918, 593529, 654546, 791372, 814377, 872728, 1085836, 1187058, 1309092, 1582744, 1628754, 2171672, 2374116, 2618184, 3257508, 4748232, 6515016, 11672737, 23345474, 35018211, 46690948, 70036422, 93381896, 140072844, 280145688]

約数ペア:

[(1, 280145688), (2, 140072844), (3, 93381896), (4, 70036422), (6, 46690948), (8, 35018211), (12, 23345474), (24, 11672737), (43, 6515016), (59, 4748232), (86, 3257508), (107, 2618184), (118, 2374116), (129, 2171672), (172, 1628754), (177, 1582744), (214, 1309092), (236, 1187058), (258, 1085836), (321, 872728), (344, 814377), (354, 791372), (428, 654546), (472, 593529), (516, 542918), (642, 436364), (708, 395686), (856, 327273), (1032, 271459), (1284, 218182), (1416, 197843), (1849, 151512), (2537, 110424), (2568, 109091), (3698, 75756), (4601, 60888), (5074, 55212), (5547, 50504), (6313, 44376), (7396, 37878), (7611, 36808), (9202, 30444), (10148, 27606), (11094, 25252), (12626, 22188), (13803, 20296), (14792, 18939), (15222, 18404)]