621538560

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:521

約数の個数: 216

約数和(自身を含む): 2170188384

約数和(自身を除く): 1548649824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 163, 180, 192, 240, 256, 288, 320, 326, 331, 360, 384, 480, 489, 576, 640, 652, 662, 720, 768, 815, 960, 978, 993, 1152, 1280, 1304, 1324, 1440, 1467, 1630, 1655, 1920, 1956, 1986, 2304, 2445, 2608, 2648, 2880, 2934, 2979, 3260, 3310, 3840, 3912, 3972, 4890, 4965, 5216, 5296, 5760, 5868, 5958, 6520, 6620, 7335, 7824, 7944, 9780, 9930, 10432, 10592, 11520, 11736, 11916, 13040, 13240, 14670, 14895, 15648, 15888, 19560, 19860, 20864, 21184, 23472, 23832, 26080, 26480, 29340, 29790, 31296, 31776, 39120, 39720, 41728, 42368, 46944, 47664, 52160, 52960, 53953, 58680, 59580, 62592, 63552, 78240, 79440, 84736, 93888, 95328, 104320, 105920, 107906, 117360, 119160, 125184, 127104, 156480, 158880, 161859, 187776, 190656, 208640, 211840, 215812, 234720, 238320, 254208, 269765, 312960, 317760, 323718, 375552, 381312, 423680, 431624, 469440, 476640, 485577, 539530, 625920, 635520, 647436, 762624, 809295, 863248, 938880, 953280, 971154, 1079060, 1271040, 1294872, 1618590, 1726496, 1877760, 1906560, 1942308, 2158120, 2427885, 2589744, 3237180, 3452992, 3813120, 3884616, 4316240, 4855770, 5179488, 6474360, 6905984, 7769232, 8632480, 9711540, 10358976, 12948720, 13811968, 15538464, 17264960, 19423080, 20717952, 25897440, 31076928, 34529920, 38846160, 41435904, 51794880, 62153856, 69059840, 77692320, 103589760, 124307712, 155384640, 207179520, 310769280, 621538560]

約数ペア:

[(1, 621538560), (2, 310769280), (3, 207179520), (4, 155384640), (5, 124307712), (6, 103589760), (8, 77692320), (9, 69059840), (10, 62153856), (12, 51794880), (15, 41435904), (16, 38846160), (18, 34529920), (20, 31076928), (24, 25897440), (30, 20717952), (32, 19423080), (36, 17264960), (40, 15538464), (45, 13811968), (48, 12948720), (60, 10358976), (64, 9711540), (72, 8632480), (80, 7769232), (90, 6905984), (96, 6474360), (120, 5179488), (128, 4855770), (144, 4316240), (160, 3884616), (163, 3813120), (180, 3452992), (192, 3237180), (240, 2589744), (256, 2427885), (288, 2158120), (320, 1942308), (326, 1906560), (331, 1877760), (360, 1726496), (384, 1618590), (480, 1294872), (489, 1271040), (576, 1079060), (640, 971154), (652, 953280), (662, 938880), (720, 863248), (768, 809295), (815, 762624), (960, 647436), (978, 635520), (993, 625920), (1152, 539530), (1280, 485577), (1304, 476640), (1324, 469440), (1440, 431624), (1467, 423680), (1630, 381312), (1655, 375552), (1920, 323718), (1956, 317760), (1986, 312960), (2304, 269765), (2445, 254208), (2608, 238320), (2648, 234720), (2880, 215812), (2934, 211840), (2979, 208640), (3260, 190656), (3310, 187776), (3840, 161859), (3912, 158880), (3972, 156480), (4890, 127104), (4965, 125184), (5216, 119160), (5296, 117360), (5760, 107906), (5868, 105920), (5958, 104320), (6520, 95328), (6620, 93888), (7335, 84736), (7824, 79440), (7944, 78240), (9780, 63552), (9930, 62592), (10432, 59580), (10592, 58680), (11520, 53953), (11736, 52960), (11916, 52160), (13040, 47664), (13240, 46944), (14670, 42368), (14895, 41728), (15648, 39720), (15888, 39120), (19560, 31776), (19860, 31296), (20864, 29790), (21184, 29340), (23472, 26480), (23832, 26080)]