65534560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:685

約数の個数: 144

約数和(自身を含む): 194258736

約数和(自身を除く): 128724176

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 643, 728, 784, 910, 980, 1040, 1120, 1274, 1286, 1456, 1568, 1820, 1960, 2080, 2548, 2572, 2912, 3185, 3215, 3640, 3920, 4501, 5096, 5144, 6370, 6430, 7280, 7840, 8359, 9002, 10192, 10288, 12740, 12860, 14560, 16718, 18004, 20384, 20576, 22505, 25480, 25720, 31507, 33436, 36008, 41795, 45010, 50960, 51440, 58513, 63014, 66872, 72016, 83590, 90020, 101920, 102880, 117026, 126028, 133744, 144032, 157535, 167180, 180040, 234052, 252056, 267488, 292565, 315070, 334360, 360080, 409591, 468104, 504112, 585130, 630140, 668720, 720160, 819182, 936208, 1008224, 1170260, 1260280, 1337440, 1638364, 1872416, 2047955, 2340520, 2520560, 3276728, 4095910, 4681040, 5041120, 6553456, 8191820, 9362080, 13106912, 16383640, 32767280, 65534560]

約数ペア:

[(1, 65534560), (2, 32767280), (4, 16383640), (5, 13106912), (7, 9362080), (8, 8191820), (10, 6553456), (13, 5041120), (14, 4681040), (16, 4095910), (20, 3276728), (26, 2520560), (28, 2340520), (32, 2047955), (35, 1872416), (40, 1638364), (49, 1337440), (52, 1260280), (56, 1170260), (65, 1008224), (70, 936208), (80, 819182), (91, 720160), (98, 668720), (104, 630140), (112, 585130), (130, 504112), (140, 468104), (160, 409591), (182, 360080), (196, 334360), (208, 315070), (224, 292565), (245, 267488), (260, 252056), (280, 234052), (364, 180040), (392, 167180), (416, 157535), (455, 144032), (490, 133744), (520, 126028), (560, 117026), (637, 102880), (643, 101920), (728, 90020), (784, 83590), (910, 72016), (980, 66872), (1040, 63014), (1120, 58513), (1274, 51440), (1286, 50960), (1456, 45010), (1568, 41795), (1820, 36008), (1960, 33436), (2080, 31507), (2548, 25720), (2572, 25480), (2912, 22505), (3185, 20576), (3215, 20384), (3640, 18004), (3920, 16718), (4501, 14560), (5096, 12860), (5144, 12740), (6370, 10288), (6430, 10192), (7280, 9002), (7840, 8359)]