256181016

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1289}}^1$

素因数の和:1338

約数の個数: 144

約数和(自身を含む): 807359400

約数和(自身を除く): 551178384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 49, 52, 56, 78, 84, 91, 98, 104, 147, 156, 168, 169, 182, 196, 273, 294, 312, 338, 364, 392, 507, 546, 588, 637, 676, 728, 1014, 1092, 1176, 1183, 1274, 1289, 1352, 1911, 2028, 2184, 2366, 2548, 2578, 3549, 3822, 3867, 4056, 4732, 5096, 5156, 7098, 7644, 7734, 8281, 9023, 9464, 10312, 14196, 15288, 15468, 16562, 16757, 18046, 24843, 27069, 28392, 30936, 33124, 33514, 36092, 49686, 50271, 54138, 63161, 66248, 67028, 72184, 99372, 100542, 108276, 117299, 126322, 134056, 189483, 198744, 201084, 216552, 217841, 234598, 252644, 351897, 378966, 402168, 435682, 469196, 505288, 653523, 703794, 757932, 821093, 871364, 938392, 1307046, 1407588, 1515864, 1524887, 1642186, 1742728, 2463279, 2614092, 2815176, 3049774, 3284372, 4574661, 4926558, 5228184, 6099548, 6568744, 9149322, 9853116, 10674209, 12199096, 18298644, 19706232, 21348418, 32022627, 36597288, 42696836, 64045254, 85393672, 128090508, 256181016]

約数ペア:

[(1, 256181016), (2, 128090508), (3, 85393672), (4, 64045254), (6, 42696836), (7, 36597288), (8, 32022627), (12, 21348418), (13, 19706232), (14, 18298644), (21, 12199096), (24, 10674209), (26, 9853116), (28, 9149322), (39, 6568744), (42, 6099548), (49, 5228184), (52, 4926558), (56, 4574661), (78, 3284372), (84, 3049774), (91, 2815176), (98, 2614092), (104, 2463279), (147, 1742728), (156, 1642186), (168, 1524887), (169, 1515864), (182, 1407588), (196, 1307046), (273, 938392), (294, 871364), (312, 821093), (338, 757932), (364, 703794), (392, 653523), (507, 505288), (546, 469196), (588, 435682), (637, 402168), (676, 378966), (728, 351897), (1014, 252644), (1092, 234598), (1176, 217841), (1183, 216552), (1274, 201084), (1289, 198744), (1352, 189483), (1911, 134056), (2028, 126322), (2184, 117299), (2366, 108276), (2548, 100542), (2578, 99372), (3549, 72184), (3822, 67028), (3867, 66248), (4056, 63161), (4732, 54138), (5096, 50271), (5156, 49686), (7098, 36092), (7644, 33514), (7734, 33124), (8281, 30936), (9023, 28392), (9464, 27069), (10312, 24843), (14196, 18046), (15288, 16757), (15468, 16562)]