256856400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1443

約数の個数: 240

約数和(自身を含む): 968688000

約数和(自身を除く): 711831600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 27, 30, 34, 36, 40, 45, 48, 50, 51, 54, 60, 68, 72, 75, 80, 85, 90, 100, 102, 108, 120, 135, 136, 144, 150, 153, 170, 180, 200, 204, 216, 225, 240, 255, 270, 272, 300, 306, 340, 360, 400, 408, 425, 432, 450, 459, 510, 540, 600, 612, 675, 680, 720, 765, 816, 850, 900, 918, 1020, 1080, 1200, 1224, 1275, 1350, 1360, 1399, 1530, 1700, 1800, 1836, 2040, 2160, 2295, 2448, 2550, 2700, 2798, 3060, 3400, 3600, 3672, 3825, 4080, 4197, 4590, 5100, 5400, 5596, 6120, 6800, 6995, 7344, 7650, 8394, 9180, 10200, 10800, 11192, 11475, 12240, 12591, 13990, 15300, 16788, 18360, 20400, 20985, 22384, 22950, 23783, 25182, 27980, 30600, 33576, 34975, 36720, 37773, 41970, 45900, 47566, 50364, 55960, 61200, 62955, 67152, 69950, 71349, 75546, 83940, 91800, 95132, 100728, 104925, 111920, 118915, 125910, 139900, 142698, 151092, 167880, 183600, 188865, 190264, 201456, 209850, 214047, 237830, 251820, 279800, 285396, 302184, 314775, 335760, 356745, 377730, 380528, 419700, 428094, 475660, 503640, 559600, 570792, 594575, 604368, 629550, 642141, 713490, 755460, 839400, 856188, 944325, 951320, 1007280, 1070235, 1141584, 1189150, 1259100, 1284282, 1426980, 1510920, 1678800, 1712376, 1783725, 1888650, 1902640, 2140470, 2378300, 2518200, 2568564, 2853960, 3021840, 3210705, 3424752, 3567450, 3777300, 4280940, 4756600, 5036400, 5137128, 5351175, 5707920, 6421410, 7134900, 7554600, 8561880, 9513200, 10274256, 10702350, 12842820, 14269800, 15109200, 16053525, 17123760, 21404700, 25685640, 28539600, 32107050, 42809400, 51371280, 64214100, 85618800, 128428200, 256856400]

約数ペア:

[(1, 256856400), (2, 128428200), (3, 85618800), (4, 64214100), (5, 51371280), (6, 42809400), (8, 32107050), (9, 28539600), (10, 25685640), (12, 21404700), (15, 17123760), (16, 16053525), (17, 15109200), (18, 14269800), (20, 12842820), (24, 10702350), (25, 10274256), (27, 9513200), (30, 8561880), (34, 7554600), (36, 7134900), (40, 6421410), (45, 5707920), (48, 5351175), (50, 5137128), (51, 5036400), (54, 4756600), (60, 4280940), (68, 3777300), (72, 3567450), (75, 3424752), (80, 3210705), (85, 3021840), (90, 2853960), (100, 2568564), (102, 2518200), (108, 2378300), (120, 2140470), (135, 1902640), (136, 1888650), (144, 1783725), (150, 1712376), (153, 1678800), (170, 1510920), (180, 1426980), (200, 1284282), (204, 1259100), (216, 1189150), (225, 1141584), (240, 1070235), (255, 1007280), (270, 951320), (272, 944325), (300, 856188), (306, 839400), (340, 755460), (360, 713490), (400, 642141), (408, 629550), (425, 604368), (432, 594575), (450, 570792), (459, 559600), (510, 503640), (540, 475660), (600, 428094), (612, 419700), (675, 380528), (680, 377730), (720, 356745), (765, 335760), (816, 314775), (850, 302184), (900, 285396), (918, 279800), (1020, 251820), (1080, 237830), (1200, 214047), (1224, 209850), (1275, 201456), (1350, 190264), (1360, 188865), (1399, 183600), (1530, 167880), (1700, 151092), (1800, 142698), (1836, 139900), (2040, 125910), (2160, 118915), (2295, 111920), (2448, 104925), (2550, 100728), (2700, 95132), (2798, 91800), (3060, 83940), (3400, 75546), (3600, 71349), (3672, 69950), (3825, 67152), (4080, 62955), (4197, 61200), (4590, 55960), (5100, 50364), (5400, 47566), (5596, 45900), (6120, 41970), (6800, 37773), (6995, 36720), (7344, 34975), (7650, 33576), (8394, 30600), (9180, 27980), (10200, 25182), (10800, 23783), (11192, 22950), (11475, 22384), (12240, 20985), (12591, 20400), (13990, 18360), (15300, 16788)]