81448363360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{5821}}^1$

素因数の和:5918

約数の個数: 288

約数和(自身を含む): 244754830656

約数和(自身を除く): 163306467296

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 364, 403, 416, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 961, 992, 1040, 1085, 1120, 1240, 1456, 1612, 1736, 1820, 1922, 2015, 2080, 2170, 2480, 2821, 2912, 3224, 3472, 3640, 3844, 4030, 4340, 4805, 4960, 5642, 5821, 6448, 6727, 6944, 7280, 7688, 8060, 8680, 9610, 11284, 11642, 12493, 12896, 13454, 14105, 14560, 15376, 16120, 17360, 19220, 22568, 23284, 24986, 26908, 28210, 29105, 30752, 32240, 33635, 34720, 38440, 40747, 45136, 46568, 49972, 53816, 56420, 58210, 62465, 64480, 67270, 75673, 76880, 81494, 87451, 90272, 93136, 99944, 107632, 112840, 116420, 124930, 134540, 151346, 153760, 162988, 174902, 180451, 186272, 199888, 203735, 215264, 225680, 232840, 249860, 269080, 302692, 325976, 349804, 360902, 378365, 399776, 407470, 437255, 451360, 465680, 499720, 529711, 538160, 605384, 651952, 699608, 721804, 756730, 814940, 874510, 902255, 931360, 999440, 1059422, 1076320, 1210768, 1263157, 1303904, 1399216, 1443608, 1513460, 1629880, 1749020, 1804510, 1998880, 2118844, 2345863, 2421536, 2526314, 2648555, 2798432, 2887216, 3026920, 3259760, 3498040, 3609020, 4237688, 4691726, 5052628, 5297110, 5593981, 5774432, 6053840, 6315785, 6519520, 6996080, 7218040, 8475376, 9383452, 10105256, 10594220, 11187962, 11729315, 12107680, 12631570, 13992160, 14436080, 16421041, 16950752, 18766904, 20210512, 21188440, 22375924, 23458630, 25263140, 27969905, 28872160, 32842082, 37533808, 39157867, 40421024, 42376880, 44751848, 46917260, 50526280, 55939810, 65684164, 72721753, 75067616, 78315734, 82105205, 84753760, 89503696, 93834520, 101052560, 111879620, 131368328, 145443506, 156631468, 164210410, 179007392, 187669040, 195789335, 202105120, 223759240, 262736656, 290887012, 313262936, 328420820, 363608765, 375338080, 391578670, 447518480, 509052271, 525473312, 581774024, 626525872, 656841640, 727217530, 783157340, 895036960, 1018104542, 1163548048, 1253051744, 1313683280, 1454435060, 1566314680, 2036209084, 2327096096, 2545261355, 2627366560, 2908870120, 3132629360, 4072418168, 5090522710, 5817740240, 6265258720, 8144836336, 10181045420, 11635480480, 16289672672, 20362090840, 40724181680, 81448363360]

約数ペア:

[(1, 81448363360), (2, 40724181680), (4, 20362090840), (5, 16289672672), (7, 11635480480), (8, 10181045420), (10, 8144836336), (13, 6265258720), (14, 5817740240), (16, 5090522710), (20, 4072418168), (26, 3132629360), (28, 2908870120), (31, 2627366560), (32, 2545261355), (35, 2327096096), (40, 2036209084), (52, 1566314680), (56, 1454435060), (62, 1313683280), (65, 1253051744), (70, 1163548048), (80, 1018104542), (91, 895036960), (104, 783157340), (112, 727217530), (124, 656841640), (130, 626525872), (140, 581774024), (155, 525473312), (160, 509052271), (182, 447518480), (208, 391578670), (217, 375338080), (224, 363608765), (248, 328420820), (260, 313262936), (280, 290887012), (310, 262736656), (364, 223759240), (403, 202105120), (416, 195789335), (434, 187669040), (455, 179007392), (496, 164210410), (520, 156631468), (560, 145443506), (620, 131368328), (728, 111879620), (806, 101052560), (868, 93834520), (910, 89503696), (961, 84753760), (992, 82105205), (1040, 78315734), (1085, 75067616), (1120, 72721753), (1240, 65684164), (1456, 55939810), (1612, 50526280), (1736, 46917260), (1820, 44751848), (1922, 42376880), (2015, 40421024), (2080, 39157867), (2170, 37533808), (2480, 32842082), (2821, 28872160), (2912, 27969905), (3224, 25263140), (3472, 23458630), (3640, 22375924), (3844, 21188440), (4030, 20210512), (4340, 18766904), (4805, 16950752), (4960, 16421041), (5642, 14436080), (5821, 13992160), (6448, 12631570), (6727, 12107680), (6944, 11729315), (7280, 11187962), (7688, 10594220), (8060, 10105256), (8680, 9383452), (9610, 8475376), (11284, 7218040), (11642, 6996080), (12493, 6519520), (12896, 6315785), (13454, 6053840), (14105, 5774432), (14560, 5593981), (15376, 5297110), (16120, 5052628), (17360, 4691726), (19220, 4237688), (22568, 3609020), (23284, 3498040), (24986, 3259760), (26908, 3026920), (28210, 2887216), (29105, 2798432), (30752, 2648555), (32240, 2526314), (33635, 2421536), (34720, 2345863), (38440, 2118844), (40747, 1998880), (45136, 1804510), (46568, 1749020), (49972, 1629880), (53816, 1513460), (56420, 1443608), (58210, 1399216), (62465, 1303904), (64480, 1263157), (67270, 1210768), (75673, 1076320), (76880, 1059422), (81494, 999440), (87451, 931360), (90272, 902255), (93136, 874510), (99944, 814940), (107632, 756730), (112840, 721804), (116420, 699608), (124930, 651952), (134540, 605384), (151346, 538160), (153760, 529711), (162988, 499720), (174902, 465680), (180451, 451360), (186272, 437255), (199888, 407470), (203735, 399776), (215264, 378365), (225680, 360902), (232840, 349804), (249860, 325976), (269080, 302692)]