80439840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4297}}^1$

素因数の和:4331

約数の個数: 144

約数和(自身を含む): 295685208

約数和(自身を除く): 215245368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4297, 4680, 6240, 8594, 9360, 12891, 17188, 18720, 21485, 25782, 34376, 38673, 42970, 51564, 55861, 64455, 68752, 77346, 85940, 103128, 111722, 128910, 137504, 154692, 167583, 171880, 193365, 206256, 223444, 257820, 279305, 309384, 335166, 343760, 386730, 412512, 446888, 502749, 515640, 558610, 618768, 670332, 687520, 773460, 837915, 893776, 1005498, 1031280, 1117220, 1237536, 1340664, 1546920, 1675830, 1787552, 2010996, 2062560, 2234440, 2513745, 2681328, 3093840, 3351660, 4021992, 4468880, 5027490, 5362656, 6187680, 6703320, 8043984, 8937760, 10054980, 13406640, 16087968, 20109960, 26813280, 40219920, 80439840]

約数ペア:

[(1, 80439840), (2, 40219920), (3, 26813280), (4, 20109960), (5, 16087968), (6, 13406640), (8, 10054980), (9, 8937760), (10, 8043984), (12, 6703320), (13, 6187680), (15, 5362656), (16, 5027490), (18, 4468880), (20, 4021992), (24, 3351660), (26, 3093840), (30, 2681328), (32, 2513745), (36, 2234440), (39, 2062560), (40, 2010996), (45, 1787552), (48, 1675830), (52, 1546920), (60, 1340664), (65, 1237536), (72, 1117220), (78, 1031280), (80, 1005498), (90, 893776), (96, 837915), (104, 773460), (117, 687520), (120, 670332), (130, 618768), (144, 558610), (156, 515640), (160, 502749), (180, 446888), (195, 412512), (208, 386730), (234, 343760), (240, 335166), (260, 309384), (288, 279305), (312, 257820), (360, 223444), (390, 206256), (416, 193365), (468, 171880), (480, 167583), (520, 154692), (585, 137504), (624, 128910), (720, 111722), (780, 103128), (936, 85940), (1040, 77346), (1170, 68752), (1248, 64455), (1440, 55861), (1560, 51564), (1872, 42970), (2080, 38673), (2340, 34376), (3120, 25782), (3744, 21485), (4297, 18720), (4680, 17188), (6240, 12891), (8594, 9360)]