80492495020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{661}}^1\times {\mathrm{907}}^1$

素因数の和:1728

約数の個数: 144

約数和(自身を含む): 198585287712

約数和(自身を除く): 118092792692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 137, 140, 196, 245, 274, 490, 548, 661, 685, 907, 959, 980, 1322, 1370, 1814, 1918, 2644, 2740, 3305, 3628, 3836, 4535, 4627, 4795, 6349, 6610, 6713, 9070, 9254, 9590, 12698, 13220, 13426, 18140, 18508, 19180, 23135, 25396, 26852, 31745, 32389, 33565, 44443, 46270, 63490, 64778, 67130, 88886, 90557, 92540, 124259, 126980, 129556, 134260, 161945, 177772, 181114, 222215, 248518, 323890, 362228, 444430, 452785, 497036, 599527, 621295, 633899, 647780, 869813, 888860, 905570, 1199054, 1242590, 1267798, 1739626, 1811140, 2398108, 2485180, 2535596, 2997635, 3169495, 3479252, 4196689, 4349065, 4437293, 5995270, 6088691, 6338990, 8393378, 8698130, 8874586, 11990540, 12177382, 12677980, 16786756, 17396260, 17749172, 20983445, 22186465, 24354764, 29376823, 30443455, 41966890, 44372930, 58753646, 60886910, 82135199, 83933780, 88745860, 117507292, 121773820, 146884115, 164270398, 293768230, 328540796, 410675995, 574946393, 587536460, 821351990, 1149892786, 1642703980, 2299785572, 2874731965, 4024624751, 5749463930, 8049249502, 11498927860, 16098499004, 20123123755, 40246247510, 80492495020]

約数ペア:

[(1, 80492495020), (2, 40246247510), (4, 20123123755), (5, 16098499004), (7, 11498927860), (10, 8049249502), (14, 5749463930), (20, 4024624751), (28, 2874731965), (35, 2299785572), (49, 1642703980), (70, 1149892786), (98, 821351990), (137, 587536460), (140, 574946393), (196, 410675995), (245, 328540796), (274, 293768230), (490, 164270398), (548, 146884115), (661, 121773820), (685, 117507292), (907, 88745860), (959, 83933780), (980, 82135199), (1322, 60886910), (1370, 58753646), (1814, 44372930), (1918, 41966890), (2644, 30443455), (2740, 29376823), (3305, 24354764), (3628, 22186465), (3836, 20983445), (4535, 17749172), (4627, 17396260), (4795, 16786756), (6349, 12677980), (6610, 12177382), (6713, 11990540), (9070, 8874586), (9254, 8698130), (9590, 8393378), (12698, 6338990), (13220, 6088691), (13426, 5995270), (18140, 4437293), (18508, 4349065), (19180, 4196689), (23135, 3479252), (25396, 3169495), (26852, 2997635), (31745, 2535596), (32389, 2485180), (33565, 2398108), (44443, 1811140), (46270, 1739626), (63490, 1267798), (64778, 1242590), (67130, 1199054), (88886, 905570), (90557, 888860), (92540, 869813), (124259, 647780), (126980, 633899), (129556, 621295), (134260, 599527), (161945, 497036), (177772, 452785), (181114, 444430), (222215, 362228), (248518, 323890)]