80454920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:116

約数の個数: 192

約数和(自身を含む): 240226560

約数和(自身を除く): 159771640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 31, 35, 40, 46, 52, 56, 62, 65, 70, 91, 92, 104, 115, 124, 130, 140, 155, 161, 182, 184, 217, 230, 248, 260, 280, 299, 310, 322, 364, 403, 434, 455, 460, 520, 598, 620, 644, 713, 728, 805, 806, 868, 910, 920, 961, 1085, 1196, 1240, 1288, 1426, 1495, 1610, 1612, 1736, 1820, 1922, 2015, 2093, 2170, 2392, 2821, 2852, 2990, 3220, 3224, 3565, 3640, 3844, 4030, 4186, 4340, 4805, 4991, 5642, 5704, 5980, 6440, 6727, 7130, 7688, 8060, 8372, 8680, 9269, 9610, 9982, 10465, 11284, 11960, 12493, 13454, 14105, 14260, 16120, 16744, 18538, 19220, 19964, 20930, 22103, 22568, 24955, 24986, 26908, 28210, 28520, 33635, 37076, 38440, 39928, 41860, 44206, 46345, 49910, 49972, 53816, 56420, 62465, 64883, 67270, 74152, 83720, 87451, 88412, 92690, 99820, 99944, 110515, 112840, 124930, 129766, 134540, 154721, 174902, 176824, 185380, 199640, 221030, 249860, 259532, 269080, 287339, 309442, 324415, 349804, 370760, 437255, 442060, 499720, 519064, 574678, 618884, 648830, 699608, 773605, 874510, 884120, 1149356, 1237768, 1297660, 1436695, 1547210, 1749020, 2011373, 2298712, 2595320, 2873390, 3094420, 3498040, 4022746, 5746780, 6188840, 8045492, 10056865, 11493560, 16090984, 20113730, 40227460, 80454920]

約数ペア:

[(1, 80454920), (2, 40227460), (4, 20113730), (5, 16090984), (7, 11493560), (8, 10056865), (10, 8045492), (13, 6188840), (14, 5746780), (20, 4022746), (23, 3498040), (26, 3094420), (28, 2873390), (31, 2595320), (35, 2298712), (40, 2011373), (46, 1749020), (52, 1547210), (56, 1436695), (62, 1297660), (65, 1237768), (70, 1149356), (91, 884120), (92, 874510), (104, 773605), (115, 699608), (124, 648830), (130, 618884), (140, 574678), (155, 519064), (161, 499720), (182, 442060), (184, 437255), (217, 370760), (230, 349804), (248, 324415), (260, 309442), (280, 287339), (299, 269080), (310, 259532), (322, 249860), (364, 221030), (403, 199640), (434, 185380), (455, 176824), (460, 174902), (520, 154721), (598, 134540), (620, 129766), (644, 124930), (713, 112840), (728, 110515), (805, 99944), (806, 99820), (868, 92690), (910, 88412), (920, 87451), (961, 83720), (1085, 74152), (1196, 67270), (1240, 64883), (1288, 62465), (1426, 56420), (1495, 53816), (1610, 49972), (1612, 49910), (1736, 46345), (1820, 44206), (1922, 41860), (2015, 39928), (2093, 38440), (2170, 37076), (2392, 33635), (2821, 28520), (2852, 28210), (2990, 26908), (3220, 24986), (3224, 24955), (3565, 22568), (3640, 22103), (3844, 20930), (4030, 19964), (4186, 19220), (4340, 18538), (4805, 16744), (4991, 16120), (5642, 14260), (5704, 14105), (5980, 13454), (6440, 12493), (6727, 11960), (7130, 11284), (7688, 10465), (8060, 9982), (8372, 9610), (8680, 9269)]