390875520

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:385

約数の個数: 256

約数和(自身を含む): 1441382400

約数和(自身を除く): 1050506880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 127, 128, 140, 160, 168, 192, 210, 224, 229, 240, 254, 280, 320, 336, 381, 384, 420, 448, 458, 480, 508, 560, 635, 640, 672, 687, 762, 840, 889, 896, 916, 960, 1016, 1120, 1145, 1270, 1344, 1374, 1524, 1603, 1680, 1778, 1832, 1905, 1920, 2032, 2240, 2290, 2540, 2667, 2688, 2748, 3048, 3206, 3360, 3435, 3556, 3664, 3810, 4064, 4445, 4480, 4580, 4809, 5080, 5334, 5496, 6096, 6412, 6720, 6870, 7112, 7328, 7620, 8015, 8128, 8890, 9160, 9618, 10160, 10668, 10992, 12192, 12824, 13335, 13440, 13740, 14224, 14656, 15240, 16030, 16256, 17780, 18320, 19236, 20320, 21336, 21984, 24045, 24384, 25648, 26670, 27480, 28448, 29083, 29312, 30480, 32060, 35560, 36640, 38472, 40640, 42672, 43968, 48090, 48768, 51296, 53340, 54960, 56896, 58166, 60960, 64120, 71120, 73280, 76944, 81280, 85344, 87249, 87936, 96180, 102592, 106680, 109920, 113792, 116332, 121920, 128240, 142240, 145415, 146560, 153888, 170688, 174498, 192360, 203581, 205184, 213360, 219840, 232664, 243840, 256480, 284480, 290830, 307776, 341376, 348996, 384720, 407162, 426720, 436245, 439680, 465328, 512960, 568960, 581660, 610743, 615552, 697992, 769440, 814324, 853440, 872490, 930656, 1017905, 1025920, 1163320, 1221486, 1395984, 1538880, 1628648, 1706880, 1744980, 1861312, 2035810, 2326640, 2442972, 2791968, 3053715, 3077760, 3257296, 3489960, 3722624, 4071620, 4653280, 4885944, 5583936, 6107430, 6514592, 6979920, 8143240, 9306560, 9771888, 11167872, 12214860, 13029184, 13959840, 16286480, 18613120, 19543776, 24429720, 26058368, 27919680, 32572960, 39087552, 48859440, 55839360, 65145920, 78175104, 97718880, 130291840, 195437760, 390875520]

約数ペア:

[(1, 390875520), (2, 195437760), (3, 130291840), (4, 97718880), (5, 78175104), (6, 65145920), (7, 55839360), (8, 48859440), (10, 39087552), (12, 32572960), (14, 27919680), (15, 26058368), (16, 24429720), (20, 19543776), (21, 18613120), (24, 16286480), (28, 13959840), (30, 13029184), (32, 12214860), (35, 11167872), (40, 9771888), (42, 9306560), (48, 8143240), (56, 6979920), (60, 6514592), (64, 6107430), (70, 5583936), (80, 4885944), (84, 4653280), (96, 4071620), (105, 3722624), (112, 3489960), (120, 3257296), (127, 3077760), (128, 3053715), (140, 2791968), (160, 2442972), (168, 2326640), (192, 2035810), (210, 1861312), (224, 1744980), (229, 1706880), (240, 1628648), (254, 1538880), (280, 1395984), (320, 1221486), (336, 1163320), (381, 1025920), (384, 1017905), (420, 930656), (448, 872490), (458, 853440), (480, 814324), (508, 769440), (560, 697992), (635, 615552), (640, 610743), (672, 581660), (687, 568960), (762, 512960), (840, 465328), (889, 439680), (896, 436245), (916, 426720), (960, 407162), (1016, 384720), (1120, 348996), (1145, 341376), (1270, 307776), (1344, 290830), (1374, 284480), (1524, 256480), (1603, 243840), (1680, 232664), (1778, 219840), (1832, 213360), (1905, 205184), (1920, 203581), (2032, 192360), (2240, 174498), (2290, 170688), (2540, 153888), (2667, 146560), (2688, 145415), (2748, 142240), (3048, 128240), (3206, 121920), (3360, 116332), (3435, 113792), (3556, 109920), (3664, 106680), (3810, 102592), (4064, 96180), (4445, 87936), (4480, 87249), (4580, 85344), (4809, 81280), (5080, 76944), (5334, 73280), (5496, 71120), (6096, 64120), (6412, 60960), (6720, 58166), (6870, 56896), (7112, 54960), (7328, 53340), (7620, 51296), (8015, 48768), (8128, 48090), (8890, 43968), (9160, 42672), (9618, 40640), (10160, 38472), (10668, 36640), (10992, 35560), (12192, 32060), (12824, 30480), (13335, 29312), (13440, 29083), (13740, 28448), (14224, 27480), (14656, 26670), (15240, 25648), (16030, 24384), (16256, 24045), (17780, 21984), (18320, 21336), (19236, 20320)]