256244400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 360

約数和(自身を含む): 971455680

約数和(自身を除く): 715211280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 30, 34, 36, 40, 45, 48, 50, 51, 53, 60, 68, 72, 75, 79, 80, 85, 90, 100, 102, 106, 120, 136, 144, 150, 153, 158, 159, 170, 180, 200, 204, 212, 225, 237, 240, 255, 265, 272, 300, 306, 316, 318, 340, 360, 395, 400, 408, 424, 425, 450, 474, 477, 510, 530, 600, 612, 632, 636, 680, 711, 720, 765, 790, 795, 816, 848, 850, 900, 901, 948, 954, 1020, 1060, 1185, 1200, 1224, 1264, 1272, 1275, 1325, 1343, 1360, 1422, 1530, 1580, 1590, 1700, 1800, 1802, 1896, 1908, 1975, 2040, 2120, 2370, 2385, 2448, 2544, 2550, 2650, 2686, 2703, 2844, 3060, 3160, 3180, 3400, 3555, 3600, 3604, 3792, 3816, 3825, 3950, 3975, 4029, 4080, 4187, 4240, 4505, 4740, 4770, 5100, 5300, 5372, 5406, 5688, 5925, 6120, 6320, 6360, 6715, 6800, 7110, 7208, 7632, 7650, 7900, 7950, 8058, 8109, 8374, 9010, 9480, 9540, 10200, 10600, 10744, 10812, 11376, 11850, 11925, 12087, 12240, 12561, 12720, 13430, 13515, 14220, 14416, 15300, 15800, 15900, 16116, 16218, 16748, 17775, 18020, 18960, 19080, 20145, 20400, 20935, 21200, 21488, 21624, 22525, 23700, 23850, 24174, 25122, 26860, 27030, 28440, 30600, 31600, 31800, 32232, 32436, 33496, 33575, 35550, 36040, 37683, 38160, 40290, 40545, 41870, 43248, 45050, 47400, 47700, 48348, 50244, 53720, 54060, 56880, 60435, 61200, 62805, 63600, 64464, 64872, 66992, 67150, 67575, 71100, 71179, 72080, 75366, 80580, 81090, 83740, 90100, 94800, 95400, 96696, 100488, 100725, 104675, 107440, 108120, 120870, 125610, 129744, 134300, 135150, 142200, 142358, 150732, 161160, 162180, 167480, 180200, 188415, 190800, 193392, 200976, 201450, 202725, 209350, 213537, 216240, 241740, 251220, 268600, 270300, 284400, 284716, 301464, 302175, 314025, 322320, 324360, 334960, 355895, 360400, 376830, 402900, 405450, 418700, 427074, 483480, 502440, 537200, 540600, 569432, 602928, 604350, 628050, 640611, 648720, 711790, 753660, 805800, 810900, 837400, 854148, 942075, 966960, 1004880, 1067685, 1081200, 1138864, 1208700, 1256100, 1281222, 1423580, 1507320, 1611600, 1621800, 1674800, 1708296, 1779475, 1884150, 2135370, 2417400, 2512200, 2562444, 2847160, 3014640, 3203055, 3243600, 3416592, 3558950, 3768300, 4270740, 4834800, 5024400, 5124888, 5338425, 5694320, 6406110, 7117900, 7536600, 8541480, 10249776, 10676850, 12812220, 14235800, 15073200, 16015275, 17082960, 21353700, 25624440, 28471600, 32030550, 42707400, 51248880, 64061100, 85414800, 128122200, 256244400]

約数ペア:

[(1, 256244400), (2, 128122200), (3, 85414800), (4, 64061100), (5, 51248880), (6, 42707400), (8, 32030550), (9, 28471600), (10, 25624440), (12, 21353700), (15, 17082960), (16, 16015275), (17, 15073200), (18, 14235800), (20, 12812220), (24, 10676850), (25, 10249776), (30, 8541480), (34, 7536600), (36, 7117900), (40, 6406110), (45, 5694320), (48, 5338425), (50, 5124888), (51, 5024400), (53, 4834800), (60, 4270740), (68, 3768300), (72, 3558950), (75, 3416592), (79, 3243600), (80, 3203055), (85, 3014640), (90, 2847160), (100, 2562444), (102, 2512200), (106, 2417400), (120, 2135370), (136, 1884150), (144, 1779475), (150, 1708296), (153, 1674800), (158, 1621800), (159, 1611600), (170, 1507320), (180, 1423580), (200, 1281222), (204, 1256100), (212, 1208700), (225, 1138864), (237, 1081200), (240, 1067685), (255, 1004880), (265, 966960), (272, 942075), (300, 854148), (306, 837400), (316, 810900), (318, 805800), (340, 753660), (360, 711790), (395, 648720), (400, 640611), (408, 628050), (424, 604350), (425, 602928), (450, 569432), (474, 540600), (477, 537200), (510, 502440), (530, 483480), (600, 427074), (612, 418700), (632, 405450), (636, 402900), (680, 376830), (711, 360400), (720, 355895), (765, 334960), (790, 324360), (795, 322320), (816, 314025), (848, 302175), (850, 301464), (900, 284716), (901, 284400), (948, 270300), (954, 268600), (1020, 251220), (1060, 241740), (1185, 216240), (1200, 213537), (1224, 209350), (1264, 202725), (1272, 201450), (1275, 200976), (1325, 193392), (1343, 190800), (1360, 188415), (1422, 180200), (1530, 167480), (1580, 162180), (1590, 161160), (1700, 150732), (1800, 142358), (1802, 142200), (1896, 135150), (1908, 134300), (1975, 129744), (2040, 125610), (2120, 120870), (2370, 108120), (2385, 107440), (2448, 104675), (2544, 100725), (2550, 100488), (2650, 96696), (2686, 95400), (2703, 94800), (2844, 90100), (3060, 83740), (3160, 81090), (3180, 80580), (3400, 75366), (3555, 72080), (3600, 71179), (3604, 71100), (3792, 67575), (3816, 67150), (3825, 66992), (3950, 64872), (3975, 64464), (4029, 63600), (4080, 62805), (4187, 61200), (4240, 60435), (4505, 56880), (4740, 54060), (4770, 53720), (5100, 50244), (5300, 48348), (5372, 47700), (5406, 47400), (5688, 45050), (5925, 43248), (6120, 41870), (6320, 40545), (6360, 40290), (6715, 38160), (6800, 37683), (7110, 36040), (7208, 35550), (7632, 33575), (7650, 33496), (7900, 32436), (7950, 32232), (8058, 31800), (8109, 31600), (8374, 30600), (9010, 28440), (9480, 27030), (9540, 26860), (10200, 25122), (10600, 24174), (10744, 23850), (10812, 23700), (11376, 22525), (11850, 21624), (11925, 21488), (12087, 21200), (12240, 20935), (12561, 20400), (12720, 20145), (13430, 19080), (13515, 18960), (14220, 18020), (14416, 17775), (15300, 16748), (15800, 16218), (15900, 16116)]