280446840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:291

約数の個数: 256

約数和(自身を含む): 1002240000

約数和(自身を除く): 721793160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 79, 90, 95, 108, 114, 120, 135, 152, 158, 171, 173, 180, 190, 216, 228, 237, 270, 285, 316, 342, 346, 360, 380, 395, 456, 474, 513, 519, 540, 570, 632, 684, 692, 711, 760, 790, 855, 865, 948, 1026, 1038, 1080, 1140, 1185, 1368, 1384, 1422, 1501, 1557, 1580, 1710, 1730, 1896, 2052, 2076, 2133, 2280, 2370, 2565, 2595, 2844, 3002, 3114, 3160, 3287, 3420, 3460, 3555, 4104, 4152, 4266, 4503, 4671, 4740, 5130, 5190, 5688, 6004, 6228, 6574, 6840, 6920, 7110, 7505, 7785, 8532, 9006, 9342, 9480, 9861, 10260, 10380, 10665, 12008, 12456, 13148, 13509, 13667, 14220, 15010, 15570, 16435, 17064, 18012, 18684, 19722, 20520, 20760, 21330, 22515, 23355, 26296, 27018, 27334, 28440, 29583, 30020, 31140, 32870, 36024, 37368, 39444, 40527, 41001, 42660, 45030, 46710, 49305, 54036, 54668, 59166, 60040, 62280, 65740, 67545, 68335, 78888, 81054, 82002, 85320, 88749, 90060, 93420, 98610, 108072, 109336, 118332, 123003, 131480, 135090, 136670, 147915, 162108, 164004, 177498, 180120, 186840, 197220, 202635, 205005, 236664, 246006, 259673, 270180, 273340, 295830, 324216, 328008, 354996, 369009, 394440, 405270, 410010, 443745, 492012, 519346, 540360, 546680, 591660, 615015, 709992, 738018, 779019, 810540, 820020, 887490, 984024, 1038692, 1183320, 1230030, 1298365, 1476036, 1558038, 1621080, 1640040, 1774980, 1845045, 2077384, 2337057, 2460060, 2596730, 2952072, 3116076, 3549960, 3690090, 3895095, 4674114, 4920120, 5193460, 6232152, 7011171, 7380180, 7790190, 9348228, 10386920, 11685285, 14022342, 14760360, 15580380, 18696456, 23370570, 28044684, 31160760, 35055855, 46741140, 56089368, 70111710, 93482280, 140223420, 280446840]

約数ペア:

[(1, 280446840), (2, 140223420), (3, 93482280), (4, 70111710), (5, 56089368), (6, 46741140), (8, 35055855), (9, 31160760), (10, 28044684), (12, 23370570), (15, 18696456), (18, 15580380), (19, 14760360), (20, 14022342), (24, 11685285), (27, 10386920), (30, 9348228), (36, 7790190), (38, 7380180), (40, 7011171), (45, 6232152), (54, 5193460), (57, 4920120), (60, 4674114), (72, 3895095), (76, 3690090), (79, 3549960), (90, 3116076), (95, 2952072), (108, 2596730), (114, 2460060), (120, 2337057), (135, 2077384), (152, 1845045), (158, 1774980), (171, 1640040), (173, 1621080), (180, 1558038), (190, 1476036), (216, 1298365), (228, 1230030), (237, 1183320), (270, 1038692), (285, 984024), (316, 887490), (342, 820020), (346, 810540), (360, 779019), (380, 738018), (395, 709992), (456, 615015), (474, 591660), (513, 546680), (519, 540360), (540, 519346), (570, 492012), (632, 443745), (684, 410010), (692, 405270), (711, 394440), (760, 369009), (790, 354996), (855, 328008), (865, 324216), (948, 295830), (1026, 273340), (1038, 270180), (1080, 259673), (1140, 246006), (1185, 236664), (1368, 205005), (1384, 202635), (1422, 197220), (1501, 186840), (1557, 180120), (1580, 177498), (1710, 164004), (1730, 162108), (1896, 147915), (2052, 136670), (2076, 135090), (2133, 131480), (2280, 123003), (2370, 118332), (2565, 109336), (2595, 108072), (2844, 98610), (3002, 93420), (3114, 90060), (3160, 88749), (3287, 85320), (3420, 82002), (3460, 81054), (3555, 78888), (4104, 68335), (4152, 67545), (4266, 65740), (4503, 62280), (4671, 60040), (4740, 59166), (5130, 54668), (5190, 54036), (5688, 49305), (6004, 46710), (6228, 45030), (6574, 42660), (6840, 41001), (6920, 40527), (7110, 39444), (7505, 37368), (7785, 36024), (8532, 32870), (9006, 31140), (9342, 30020), (9480, 29583), (9861, 28440), (10260, 27334), (10380, 27018), (10665, 26296), (12008, 23355), (12456, 22515), (13148, 21330), (13509, 20760), (13667, 20520), (14220, 19722), (15010, 18684), (15570, 18012), (16435, 17064)]