262724280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 256

約数和(自身を含む): 991872000

約数和(自身を除く): 729147720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 343, 364, 390, 392, 420, 455, 490, 491, 520, 546, 588, 637, 686, 728, 735, 780, 840, 910, 980, 982, 1029, 1092, 1176, 1274, 1365, 1372, 1470, 1473, 1560, 1715, 1820, 1911, 1960, 1964, 2058, 2184, 2455, 2548, 2730, 2744, 2940, 2946, 3185, 3430, 3437, 3640, 3822, 3928, 4116, 4459, 4910, 5096, 5145, 5460, 5880, 5892, 6370, 6383, 6860, 6874, 7365, 7644, 8232, 8918, 9555, 9820, 10290, 10311, 10920, 11784, 12740, 12766, 13377, 13720, 13748, 14730, 15288, 17185, 17836, 19110, 19149, 19640, 20580, 20622, 22295, 24059, 25480, 25532, 26754, 27496, 29460, 31915, 34370, 35672, 38220, 38298, 41160, 41244, 44590, 44681, 48118, 51064, 51555, 53508, 58920, 63830, 66885, 68740, 72177, 76440, 76596, 82488, 89180, 89362, 95745, 96236, 103110, 107016, 120295, 127660, 133770, 134043, 137480, 144354, 153192, 168413, 178360, 178724, 191490, 192472, 206220, 223405, 240590, 255320, 267540, 268086, 288708, 312767, 336826, 357448, 360885, 382980, 412440, 446810, 481180, 505239, 535080, 536172, 577416, 625534, 670215, 673652, 721770, 765960, 842065, 893620, 938301, 962360, 1010478, 1072344, 1251068, 1340430, 1347304, 1443540, 1563835, 1684130, 1787240, 1876602, 2020956, 2189369, 2502136, 2526195, 2680860, 2887080, 3127670, 3368260, 3753204, 4041912, 4378738, 4691505, 5052390, 5361720, 6255340, 6568107, 6736520, 7506408, 8757476, 9383010, 10104780, 10946845, 12510680, 13136214, 17514952, 18766020, 20209560, 21893690, 26272428, 32840535, 37532040, 43787380, 52544856, 65681070, 87574760, 131362140, 262724280]

約数ペア:

[(1, 262724280), (2, 131362140), (3, 87574760), (4, 65681070), (5, 52544856), (6, 43787380), (7, 37532040), (8, 32840535), (10, 26272428), (12, 21893690), (13, 20209560), (14, 18766020), (15, 17514952), (20, 13136214), (21, 12510680), (24, 10946845), (26, 10104780), (28, 9383010), (30, 8757476), (35, 7506408), (39, 6736520), (40, 6568107), (42, 6255340), (49, 5361720), (52, 5052390), (56, 4691505), (60, 4378738), (65, 4041912), (70, 3753204), (78, 3368260), (84, 3127670), (91, 2887080), (98, 2680860), (104, 2526195), (105, 2502136), (120, 2189369), (130, 2020956), (140, 1876602), (147, 1787240), (156, 1684130), (168, 1563835), (182, 1443540), (195, 1347304), (196, 1340430), (210, 1251068), (245, 1072344), (260, 1010478), (273, 962360), (280, 938301), (294, 893620), (312, 842065), (343, 765960), (364, 721770), (390, 673652), (392, 670215), (420, 625534), (455, 577416), (490, 536172), (491, 535080), (520, 505239), (546, 481180), (588, 446810), (637, 412440), (686, 382980), (728, 360885), (735, 357448), (780, 336826), (840, 312767), (910, 288708), (980, 268086), (982, 267540), (1029, 255320), (1092, 240590), (1176, 223405), (1274, 206220), (1365, 192472), (1372, 191490), (1470, 178724), (1473, 178360), (1560, 168413), (1715, 153192), (1820, 144354), (1911, 137480), (1960, 134043), (1964, 133770), (2058, 127660), (2184, 120295), (2455, 107016), (2548, 103110), (2730, 96236), (2744, 95745), (2940, 89362), (2946, 89180), (3185, 82488), (3430, 76596), (3437, 76440), (3640, 72177), (3822, 68740), (3928, 66885), (4116, 63830), (4459, 58920), (4910, 53508), (5096, 51555), (5145, 51064), (5460, 48118), (5880, 44681), (5892, 44590), (6370, 41244), (6383, 41160), (6860, 38298), (6874, 38220), (7365, 35672), (7644, 34370), (8232, 31915), (8918, 29460), (9555, 27496), (9820, 26754), (10290, 25532), (10311, 25480), (10920, 24059), (11784, 22295), (12740, 20622), (12766, 20580), (13377, 19640), (13720, 19149), (13748, 19110), (14730, 17836), (15288, 17185)]