489969920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 288

約数和(自身を含む): 1430472960

約数和(自身を除く): 940503040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 23, 32, 34, 40, 44, 46, 55, 64, 68, 80, 85, 88, 89, 92, 110, 115, 128, 136, 160, 170, 176, 178, 184, 187, 220, 230, 253, 256, 272, 320, 340, 352, 356, 368, 374, 391, 440, 445, 460, 506, 544, 640, 680, 704, 712, 736, 748, 782, 880, 890, 920, 935, 979, 1012, 1088, 1265, 1280, 1360, 1408, 1424, 1472, 1496, 1513, 1564, 1760, 1780, 1840, 1870, 1955, 1958, 2024, 2047, 2176, 2530, 2720, 2816, 2848, 2944, 2992, 3026, 3128, 3520, 3560, 3680, 3740, 3910, 3916, 4048, 4094, 4301, 4352, 4895, 5060, 5440, 5696, 5888, 5984, 6052, 6256, 7040, 7120, 7360, 7480, 7565, 7820, 7832, 8096, 8188, 8602, 9790, 10120, 10235, 10880, 11392, 11968, 12104, 12512, 14080, 14240, 14720, 14960, 15130, 15640, 15664, 16192, 16376, 16643, 17204, 19580, 20240, 20470, 21505, 21760, 22517, 22784, 23936, 24208, 25024, 28480, 29440, 29920, 30260, 31280, 31328, 32384, 32752, 33286, 34408, 34799, 39160, 40480, 40940, 43010, 45034, 47872, 48416, 50048, 56960, 59840, 60520, 62560, 62656, 64768, 65504, 66572, 68816, 69598, 78320, 80960, 81880, 83215, 86020, 90068, 96832, 100096, 112585, 113920, 119680, 121040, 125120, 125312, 131008, 133144, 137632, 139196, 156640, 161920, 163760, 166430, 172040, 173995, 180136, 193664, 225170, 239360, 242080, 250240, 250624, 262016, 266288, 275264, 278392, 313280, 323840, 327520, 332860, 344080, 347990, 360272, 382789, 387328, 450340, 484160, 500480, 524032, 532576, 550528, 556784, 626560, 655040, 665720, 688160, 695980, 720544, 765578, 900680, 968320, 1065152, 1101056, 1113568, 1253120, 1310080, 1331440, 1376320, 1391960, 1441088, 1531156, 1801360, 1913945, 1936640, 2130304, 2227136, 2620160, 2662880, 2752640, 2783920, 2882176, 3062312, 3602720, 3827890, 4260608, 4454272, 5325760, 5505280, 5567840, 5764352, 6124624, 7205440, 7655780, 8908544, 10651520, 11135680, 12249248, 14410880, 15311560, 21303040, 22271360, 24498496, 28821760, 30623120, 44542720, 48996992, 61246240, 97993984, 122492480, 244984960, 489969920]

約数ペア:

[(1, 489969920), (2, 244984960), (4, 122492480), (5, 97993984), (8, 61246240), (10, 48996992), (11, 44542720), (16, 30623120), (17, 28821760), (20, 24498496), (22, 22271360), (23, 21303040), (32, 15311560), (34, 14410880), (40, 12249248), (44, 11135680), (46, 10651520), (55, 8908544), (64, 7655780), (68, 7205440), (80, 6124624), (85, 5764352), (88, 5567840), (89, 5505280), (92, 5325760), (110, 4454272), (115, 4260608), (128, 3827890), (136, 3602720), (160, 3062312), (170, 2882176), (176, 2783920), (178, 2752640), (184, 2662880), (187, 2620160), (220, 2227136), (230, 2130304), (253, 1936640), (256, 1913945), (272, 1801360), (320, 1531156), (340, 1441088), (352, 1391960), (356, 1376320), (368, 1331440), (374, 1310080), (391, 1253120), (440, 1113568), (445, 1101056), (460, 1065152), (506, 968320), (544, 900680), (640, 765578), (680, 720544), (704, 695980), (712, 688160), (736, 665720), (748, 655040), (782, 626560), (880, 556784), (890, 550528), (920, 532576), (935, 524032), (979, 500480), (1012, 484160), (1088, 450340), (1265, 387328), (1280, 382789), (1360, 360272), (1408, 347990), (1424, 344080), (1472, 332860), (1496, 327520), (1513, 323840), (1564, 313280), (1760, 278392), (1780, 275264), (1840, 266288), (1870, 262016), (1955, 250624), (1958, 250240), (2024, 242080), (2047, 239360), (2176, 225170), (2530, 193664), (2720, 180136), (2816, 173995), (2848, 172040), (2944, 166430), (2992, 163760), (3026, 161920), (3128, 156640), (3520, 139196), (3560, 137632), (3680, 133144), (3740, 131008), (3910, 125312), (3916, 125120), (4048, 121040), (4094, 119680), (4301, 113920), (4352, 112585), (4895, 100096), (5060, 96832), (5440, 90068), (5696, 86020), (5888, 83215), (5984, 81880), (6052, 80960), (6256, 78320), (7040, 69598), (7120, 68816), (7360, 66572), (7480, 65504), (7565, 64768), (7820, 62656), (7832, 62560), (8096, 60520), (8188, 59840), (8602, 56960), (9790, 50048), (10120, 48416), (10235, 47872), (10880, 45034), (11392, 43010), (11968, 40940), (12104, 40480), (12512, 39160), (14080, 34799), (14240, 34408), (14720, 33286), (14960, 32752), (15130, 32384), (15640, 31328), (15664, 31280), (16192, 30260), (16376, 29920), (16643, 29440), (17204, 28480), (19580, 25024), (20240, 24208), (20470, 23936), (21505, 22784), (21760, 22517)]