255995040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1335

約数の個数: 192

約数和(自身を含む): 937440000

約数和(自身を除く): 681444960

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, 61, 70, 80, 84, 96, 105, 112, 120, 122, 140, 160, 168, 183, 210, 224, 240, 244, 280, 305, 336, 366, 420, 427, 480, 488, 560, 610, 672, 732, 840, 854, 915, 976, 1120, 1220, 1249, 1281, 1464, 1680, 1708, 1830, 1952, 2135, 2440, 2498, 2562, 2928, 3360, 3416, 3660, 3747, 4270, 4880, 4996, 5124, 5856, 6245, 6405, 6832, 7320, 7494, 8540, 8743, 9760, 9992, 10248, 12490, 12810, 13664, 14640, 14988, 17080, 17486, 18735, 19984, 20496, 24980, 25620, 26229, 29280, 29976, 34160, 34972, 37470, 39968, 40992, 43715, 49960, 51240, 52458, 59952, 68320, 69944, 74940, 76189, 87430, 99920, 102480, 104916, 119904, 131145, 139888, 149880, 152378, 174860, 199840, 204960, 209832, 228567, 262290, 279776, 299760, 304756, 349720, 380945, 419664, 457134, 524580, 533323, 599520, 609512, 699440, 761890, 839328, 914268, 1049160, 1066646, 1142835, 1219024, 1398880, 1523780, 1599969, 1828536, 2098320, 2133292, 2285670, 2438048, 2666615, 3047560, 3199938, 3657072, 4196640, 4266584, 4571340, 5333230, 6095120, 6399876, 7314144, 7999845, 8533168, 9142680, 10666460, 12190240, 12799752, 15999690, 17066336, 18285360, 21332920, 25599504, 31999380, 36570720, 42665840, 51199008, 63998760, 85331680, 127997520, 255995040]

約数ペア:

[(1, 255995040), (2, 127997520), (3, 85331680), (4, 63998760), (5, 51199008), (6, 42665840), (7, 36570720), (8, 31999380), (10, 25599504), (12, 21332920), (14, 18285360), (15, 17066336), (16, 15999690), (20, 12799752), (21, 12190240), (24, 10666460), (28, 9142680), (30, 8533168), (32, 7999845), (35, 7314144), (40, 6399876), (42, 6095120), (48, 5333230), (56, 4571340), (60, 4266584), (61, 4196640), (70, 3657072), (80, 3199938), (84, 3047560), (96, 2666615), (105, 2438048), (112, 2285670), (120, 2133292), (122, 2098320), (140, 1828536), (160, 1599969), (168, 1523780), (183, 1398880), (210, 1219024), (224, 1142835), (240, 1066646), (244, 1049160), (280, 914268), (305, 839328), (336, 761890), (366, 699440), (420, 609512), (427, 599520), (480, 533323), (488, 524580), (560, 457134), (610, 419664), (672, 380945), (732, 349720), (840, 304756), (854, 299760), (915, 279776), (976, 262290), (1120, 228567), (1220, 209832), (1249, 204960), (1281, 199840), (1464, 174860), (1680, 152378), (1708, 149880), (1830, 139888), (1952, 131145), (2135, 119904), (2440, 104916), (2498, 102480), (2562, 99920), (2928, 87430), (3360, 76189), (3416, 74940), (3660, 69944), (3747, 68320), (4270, 59952), (4880, 52458), (4996, 51240), (5124, 49960), (5856, 43715), (6245, 40992), (6405, 39968), (6832, 37470), (7320, 34972), (7494, 34160), (8540, 29976), (8743, 29280), (9760, 26229), (9992, 25620), (10248, 24980), (12490, 20496), (12810, 19984), (13664, 18735), (14640, 17486), (14988, 17080)]