221405400

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 240

約数和(自身を含む): 783208800

約数和(自身を除く): 561803400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 79, 81, 90, 100, 108, 120, 135, 150, 158, 162, 173, 180, 200, 216, 225, 237, 270, 300, 316, 324, 346, 360, 395, 405, 450, 474, 519, 540, 600, 632, 648, 675, 692, 711, 790, 810, 865, 900, 948, 1038, 1080, 1185, 1350, 1384, 1422, 1557, 1580, 1620, 1730, 1800, 1896, 1975, 2025, 2076, 2133, 2370, 2595, 2700, 2844, 3114, 3160, 3240, 3460, 3555, 3950, 4050, 4152, 4266, 4325, 4671, 4740, 5190, 5400, 5688, 5925, 6228, 6399, 6920, 7110, 7785, 7900, 8100, 8532, 8650, 9342, 9480, 10380, 10665, 11850, 12456, 12798, 12975, 13667, 14013, 14220, 15570, 15800, 16200, 17064, 17300, 17775, 18684, 20760, 21330, 23355, 23700, 25596, 25950, 27334, 28026, 28440, 31140, 31995, 34600, 35550, 37368, 38925, 41001, 42660, 46710, 47400, 51192, 51900, 53325, 54668, 56052, 62280, 63990, 68335, 70065, 71100, 77850, 82002, 85320, 93420, 103800, 106650, 109336, 112104, 116775, 123003, 127980, 136670, 140130, 142200, 155700, 159975, 164004, 186840, 205005, 213300, 233550, 246006, 255960, 273340, 280260, 311400, 319950, 328008, 341675, 350325, 369009, 410010, 426600, 467100, 492012, 546680, 560520, 615015, 639900, 683350, 700650, 738018, 820020, 934200, 984024, 1025025, 1107027, 1230030, 1279800, 1366700, 1401300, 1476036, 1640040, 1845045, 2050050, 2214054, 2460060, 2733400, 2802600, 2952072, 3075075, 3690090, 4100100, 4428108, 4920120, 5535135, 6150150, 7380180, 8200200, 8856216, 9225225, 11070270, 12300300, 14760360, 18450450, 22140540, 24600600, 27675675, 36900900, 44281080, 55351350, 73801800, 110702700, 221405400]

約数ペア:

[(1, 221405400), (2, 110702700), (3, 73801800), (4, 55351350), (5, 44281080), (6, 36900900), (8, 27675675), (9, 24600600), (10, 22140540), (12, 18450450), (15, 14760360), (18, 12300300), (20, 11070270), (24, 9225225), (25, 8856216), (27, 8200200), (30, 7380180), (36, 6150150), (40, 5535135), (45, 4920120), (50, 4428108), (54, 4100100), (60, 3690090), (72, 3075075), (75, 2952072), (79, 2802600), (81, 2733400), (90, 2460060), (100, 2214054), (108, 2050050), (120, 1845045), (135, 1640040), (150, 1476036), (158, 1401300), (162, 1366700), (173, 1279800), (180, 1230030), (200, 1107027), (216, 1025025), (225, 984024), (237, 934200), (270, 820020), (300, 738018), (316, 700650), (324, 683350), (346, 639900), (360, 615015), (395, 560520), (405, 546680), (450, 492012), (474, 467100), (519, 426600), (540, 410010), (600, 369009), (632, 350325), (648, 341675), (675, 328008), (692, 319950), (711, 311400), (790, 280260), (810, 273340), (865, 255960), (900, 246006), (948, 233550), (1038, 213300), (1080, 205005), (1185, 186840), (1350, 164004), (1384, 159975), (1422, 155700), (1557, 142200), (1580, 140130), (1620, 136670), (1730, 127980), (1800, 123003), (1896, 116775), (1975, 112104), (2025, 109336), (2076, 106650), (2133, 103800), (2370, 93420), (2595, 85320), (2700, 82002), (2844, 77850), (3114, 71100), (3160, 70065), (3240, 68335), (3460, 63990), (3555, 62280), (3950, 56052), (4050, 54668), (4152, 53325), (4266, 51900), (4325, 51192), (4671, 47400), (4740, 46710), (5190, 42660), (5400, 41001), (5688, 38925), (5925, 37368), (6228, 35550), (6399, 34600), (6920, 31995), (7110, 31140), (7785, 28440), (7900, 28026), (8100, 27334), (8532, 25950), (8650, 25596), (9342, 23700), (9480, 23355), (10380, 21330), (10665, 20760), (11850, 18684), (12456, 17775), (12798, 17300), (12975, 17064), (13667, 16200), (14013, 15800), (14220, 15570)]