256083240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:344

約数の個数: 256

約数和(自身を含む): 945561600

約数和(自身を除く): 689478360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 79, 84, 85, 102, 105, 119, 120, 136, 140, 158, 168, 170, 204, 210, 227, 237, 238, 255, 280, 316, 340, 357, 395, 408, 420, 454, 474, 476, 510, 553, 595, 632, 680, 681, 714, 790, 840, 908, 948, 952, 1020, 1106, 1135, 1185, 1190, 1343, 1362, 1428, 1580, 1589, 1659, 1785, 1816, 1896, 2040, 2212, 2270, 2370, 2380, 2686, 2724, 2765, 2856, 3160, 3178, 3318, 3405, 3570, 3859, 4029, 4424, 4540, 4740, 4760, 4767, 5372, 5448, 5530, 6356, 6636, 6715, 6810, 7140, 7718, 7945, 8058, 8295, 9080, 9401, 9480, 9534, 10744, 11060, 11577, 12712, 13272, 13430, 13620, 14280, 15436, 15890, 16116, 16590, 17933, 18802, 19068, 19295, 20145, 22120, 23154, 23835, 26860, 27013, 27240, 28203, 30872, 31780, 32232, 33180, 35866, 37604, 38136, 38590, 40290, 46308, 47005, 47670, 53720, 53799, 54026, 56406, 57885, 63560, 66360, 71732, 75208, 77180, 80580, 81039, 89665, 92616, 94010, 95340, 107598, 108052, 112812, 115770, 125531, 135065, 141015, 143464, 154360, 161160, 162078, 179330, 188020, 190680, 215196, 216104, 225624, 231540, 251062, 268995, 270130, 282030, 304861, 324156, 358660, 376040, 376593, 405195, 430392, 463080, 502124, 537990, 540260, 564060, 609722, 627655, 648312, 717320, 753186, 810390, 914583, 1004248, 1075980, 1080520, 1128120, 1219444, 1255310, 1506372, 1524305, 1620780, 1829166, 1882965, 2134027, 2151960, 2438888, 2510620, 3012744, 3048610, 3241560, 3658332, 3765930, 4268054, 4572915, 5021240, 6097220, 6402081, 7316664, 7531860, 8536108, 9145830, 10670135, 12194440, 12804162, 15063720, 17072216, 18291660, 21340270, 25608324, 32010405, 36583320, 42680540, 51216648, 64020810, 85361080, 128041620, 256083240]

約数ペア:

[(1, 256083240), (2, 128041620), (3, 85361080), (4, 64020810), (5, 51216648), (6, 42680540), (7, 36583320), (8, 32010405), (10, 25608324), (12, 21340270), (14, 18291660), (15, 17072216), (17, 15063720), (20, 12804162), (21, 12194440), (24, 10670135), (28, 9145830), (30, 8536108), (34, 7531860), (35, 7316664), (40, 6402081), (42, 6097220), (51, 5021240), (56, 4572915), (60, 4268054), (68, 3765930), (70, 3658332), (79, 3241560), (84, 3048610), (85, 3012744), (102, 2510620), (105, 2438888), (119, 2151960), (120, 2134027), (136, 1882965), (140, 1829166), (158, 1620780), (168, 1524305), (170, 1506372), (204, 1255310), (210, 1219444), (227, 1128120), (237, 1080520), (238, 1075980), (255, 1004248), (280, 914583), (316, 810390), (340, 753186), (357, 717320), (395, 648312), (408, 627655), (420, 609722), (454, 564060), (474, 540260), (476, 537990), (510, 502124), (553, 463080), (595, 430392), (632, 405195), (680, 376593), (681, 376040), (714, 358660), (790, 324156), (840, 304861), (908, 282030), (948, 270130), (952, 268995), (1020, 251062), (1106, 231540), (1135, 225624), (1185, 216104), (1190, 215196), (1343, 190680), (1362, 188020), (1428, 179330), (1580, 162078), (1589, 161160), (1659, 154360), (1785, 143464), (1816, 141015), (1896, 135065), (2040, 125531), (2212, 115770), (2270, 112812), (2370, 108052), (2380, 107598), (2686, 95340), (2724, 94010), (2765, 92616), (2856, 89665), (3160, 81039), (3178, 80580), (3318, 77180), (3405, 75208), (3570, 71732), (3859, 66360), (4029, 63560), (4424, 57885), (4540, 56406), (4740, 54026), (4760, 53799), (4767, 53720), (5372, 47670), (5448, 47005), (5530, 46308), (6356, 40290), (6636, 38590), (6715, 38136), (6810, 37604), (7140, 35866), (7718, 33180), (7945, 32232), (8058, 31780), (8295, 30872), (9080, 28203), (9401, 27240), (9480, 27013), (9534, 26860), (10744, 23835), (11060, 23154), (11577, 22120), (12712, 20145), (13272, 19295), (13430, 19068), (13620, 18802), (14280, 17933), (15436, 16590), (15890, 16116)]