80400480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 274337280

約数和(自身を除く): 193936800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 59, 60, 68, 80, 85, 96, 102, 118, 120, 136, 160, 167, 170, 177, 204, 236, 240, 255, 272, 295, 334, 340, 354, 408, 472, 480, 501, 510, 544, 590, 668, 680, 708, 816, 835, 885, 944, 1002, 1003, 1020, 1180, 1336, 1360, 1416, 1632, 1670, 1770, 1888, 2004, 2006, 2040, 2360, 2505, 2672, 2720, 2832, 2839, 3009, 3340, 3540, 4008, 4012, 4080, 4720, 5010, 5015, 5344, 5664, 5678, 6018, 6680, 7080, 8016, 8024, 8160, 8517, 9440, 9853, 10020, 10030, 11356, 12036, 13360, 14160, 14195, 15045, 16032, 16048, 17034, 19706, 20040, 20060, 22712, 24072, 26720, 28320, 28390, 29559, 30090, 32096, 34068, 39412, 40080, 40120, 42585, 45424, 48144, 49265, 56780, 59118, 60180, 68136, 78824, 80160, 80240, 85170, 90848, 96288, 98530, 113560, 118236, 120360, 136272, 147795, 157648, 160480, 167501, 170340, 197060, 227120, 236472, 240720, 272544, 295590, 315296, 335002, 340680, 394120, 454240, 472944, 481440, 502503, 591180, 670004, 681360, 788240, 837505, 945888, 1005006, 1182360, 1340008, 1362720, 1576480, 1675010, 2010012, 2364720, 2512515, 2680016, 3350020, 4020024, 4729440, 5025030, 5360032, 6700040, 8040048, 10050060, 13400080, 16080096, 20100120, 26800160, 40200240, 80400480]

約数ペア:

[(1, 80400480), (2, 40200240), (3, 26800160), (4, 20100120), (5, 16080096), (6, 13400080), (8, 10050060), (10, 8040048), (12, 6700040), (15, 5360032), (16, 5025030), (17, 4729440), (20, 4020024), (24, 3350020), (30, 2680016), (32, 2512515), (34, 2364720), (40, 2010012), (48, 1675010), (51, 1576480), (59, 1362720), (60, 1340008), (68, 1182360), (80, 1005006), (85, 945888), (96, 837505), (102, 788240), (118, 681360), (120, 670004), (136, 591180), (160, 502503), (167, 481440), (170, 472944), (177, 454240), (204, 394120), (236, 340680), (240, 335002), (255, 315296), (272, 295590), (295, 272544), (334, 240720), (340, 236472), (354, 227120), (408, 197060), (472, 170340), (480, 167501), (501, 160480), (510, 157648), (544, 147795), (590, 136272), (668, 120360), (680, 118236), (708, 113560), (816, 98530), (835, 96288), (885, 90848), (944, 85170), (1002, 80240), (1003, 80160), (1020, 78824), (1180, 68136), (1336, 60180), (1360, 59118), (1416, 56780), (1632, 49265), (1670, 48144), (1770, 45424), (1888, 42585), (2004, 40120), (2006, 40080), (2040, 39412), (2360, 34068), (2505, 32096), (2672, 30090), (2720, 29559), (2832, 28390), (2839, 28320), (3009, 26720), (3340, 24072), (3540, 22712), (4008, 20060), (4012, 20040), (4080, 19706), (4720, 17034), (5010, 16048), (5015, 16032), (5344, 15045), (5664, 14195), (5678, 14160), (6018, 13360), (6680, 12036), (7080, 11356), (8016, 10030), (8024, 10020), (8160, 9853), (8517, 9440)]