312011280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2054

約数の個数: 240

約数和(自身を含む): 1236777984

約数和(自身を除く): 924766704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 1997, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 3994, 4340, 4464, 5040, 5208, 5580, 5991, 6510, 7440, 7812, 7988, 8680, 9765, 9985, 10416, 11160, 11982, 13020, 13979, 15624, 15976, 17360, 17973, 19530, 19970, 22320, 23964, 26040, 27958, 29955, 31248, 31952, 35946, 39060, 39940, 41937, 47928, 52080, 55916, 59910, 61907, 69895, 71892, 78120, 79880, 83874, 89865, 95856, 111832, 119820, 123814, 125811, 139790, 143784, 156240, 159760, 167748, 179730, 185721, 209685, 223664, 239640, 247628, 251622, 279580, 287568, 309535, 335496, 359460, 371442, 419370, 433349, 479280, 495256, 503244, 557163, 559160, 619070, 629055, 670992, 718920, 742884, 838740, 866698, 928605, 990512, 1006488, 1114326, 1118320, 1238140, 1258110, 1300047, 1437840, 1485768, 1677480, 1733396, 1857210, 2012976, 2166745, 2228652, 2476280, 2516220, 2600094, 2785815, 2971536, 3354960, 3466792, 3714420, 3900141, 4333490, 4457304, 4952560, 5032440, 5200188, 5571630, 6500235, 6933584, 7428840, 7800282, 8666980, 8914608, 10064880, 10400376, 11143260, 13000470, 14857680, 15600564, 17333960, 19500705, 20800752, 22286520, 26000940, 31201128, 34667920, 39001410, 44573040, 52001880, 62402256, 78002820, 104003760, 156005640, 312011280]

約数ペア:

[(1, 312011280), (2, 156005640), (3, 104003760), (4, 78002820), (5, 62402256), (6, 52001880), (7, 44573040), (8, 39001410), (9, 34667920), (10, 31201128), (12, 26000940), (14, 22286520), (15, 20800752), (16, 19500705), (18, 17333960), (20, 15600564), (21, 14857680), (24, 13000470), (28, 11143260), (30, 10400376), (31, 10064880), (35, 8914608), (36, 8666980), (40, 7800282), (42, 7428840), (45, 6933584), (48, 6500235), (56, 5571630), (60, 5200188), (62, 5032440), (63, 4952560), (70, 4457304), (72, 4333490), (80, 3900141), (84, 3714420), (90, 3466792), (93, 3354960), (105, 2971536), (112, 2785815), (120, 2600094), (124, 2516220), (126, 2476280), (140, 2228652), (144, 2166745), (155, 2012976), (168, 1857210), (180, 1733396), (186, 1677480), (210, 1485768), (217, 1437840), (240, 1300047), (248, 1258110), (252, 1238140), (279, 1118320), (280, 1114326), (310, 1006488), (315, 990512), (336, 928605), (360, 866698), (372, 838740), (420, 742884), (434, 718920), (465, 670992), (496, 629055), (504, 619070), (558, 559160), (560, 557163), (620, 503244), (630, 495256), (651, 479280), (720, 433349), (744, 419370), (840, 371442), (868, 359460), (930, 335496), (1008, 309535), (1085, 287568), (1116, 279580), (1240, 251622), (1260, 247628), (1302, 239640), (1395, 223664), (1488, 209685), (1680, 185721), (1736, 179730), (1860, 167748), (1953, 159760), (1997, 156240), (2170, 143784), (2232, 139790), (2480, 125811), (2520, 123814), (2604, 119820), (2790, 111832), (3255, 95856), (3472, 89865), (3720, 83874), (3906, 79880), (3994, 78120), (4340, 71892), (4464, 69895), (5040, 61907), (5208, 59910), (5580, 55916), (5991, 52080), (6510, 47928), (7440, 41937), (7812, 39940), (7988, 39060), (8680, 35946), (9765, 31952), (9985, 31248), (10416, 29955), (11160, 27958), (11982, 26040), (13020, 23964), (13979, 22320), (15624, 19970), (15976, 19530), (17360, 17973)]