987488880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:404

約数の個数: 320

約数和(自身を含む): 3678240768

約数和(自身を除く): 2690751888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 67, 70, 80, 84, 93, 105, 112, 120, 124, 134, 140, 155, 168, 186, 201, 210, 217, 240, 248, 268, 280, 283, 310, 335, 336, 372, 402, 420, 434, 465, 469, 496, 536, 560, 566, 620, 651, 670, 744, 804, 840, 849, 868, 930, 938, 1005, 1072, 1085, 1132, 1240, 1302, 1340, 1407, 1415, 1488, 1608, 1680, 1698, 1736, 1860, 1876, 1981, 2010, 2077, 2170, 2264, 2345, 2480, 2604, 2680, 2814, 2830, 3216, 3255, 3396, 3472, 3720, 3752, 3962, 4020, 4154, 4245, 4340, 4528, 4690, 5208, 5360, 5628, 5660, 5943, 6231, 6510, 6792, 7035, 7440, 7504, 7924, 8040, 8308, 8490, 8680, 8773, 9380, 9905, 10385, 10416, 11256, 11320, 11886, 12462, 13020, 13584, 14070, 14539, 15848, 16080, 16616, 16980, 17360, 17546, 18760, 18961, 19810, 20770, 22512, 22640, 23772, 24924, 26040, 26319, 28140, 29078, 29715, 31155, 31696, 33232, 33960, 35092, 37520, 37922, 39620, 41540, 43617, 43865, 47544, 49848, 52080, 52638, 56280, 56883, 58156, 59430, 61411, 62310, 67920, 70184, 72695, 75844, 79240, 83080, 87234, 87730, 94805, 95088, 99696, 105276, 112560, 113766, 116312, 118860, 122822, 124620, 131595, 132727, 140368, 145390, 151688, 158480, 166160, 174468, 175460, 184233, 189610, 210552, 218085, 227532, 232624, 237720, 245644, 249240, 263190, 265454, 284415, 290780, 303376, 307055, 348936, 350920, 368466, 379220, 398181, 421104, 436170, 455064, 475440, 491288, 498480, 526380, 530908, 568830, 581560, 587791, 614110, 663635, 697872, 701840, 736932, 758440, 796362, 872340, 910128, 921165, 982576, 1052760, 1061816, 1137660, 1163120, 1175582, 1228220, 1327270, 1473864, 1516880, 1592724, 1744680, 1763373, 1842330, 1990905, 2105520, 2123632, 2275320, 2351164, 2456440, 2654540, 2938955, 2947728, 3185448, 3489360, 3526746, 3684660, 3981810, 4114537, 4550640, 4702328, 4912880, 5309080, 5877910, 6370896, 7053492, 7369320, 7963620, 8229074, 8816865, 9404656, 10618160, 11755820, 12343611, 14106984, 14738640, 15927240, 16458148, 17633730, 20572685, 23511640, 24687222, 28213968, 31854480, 32916296, 35267460, 41145370, 47023280, 49374444, 61718055, 65832592, 70534920, 82290740, 98748888, 123436110, 141069840, 164581480, 197497776, 246872220, 329162960, 493744440, 987488880]

約数ペア:

[(1, 987488880), (2, 493744440), (3, 329162960), (4, 246872220), (5, 197497776), (6, 164581480), (7, 141069840), (8, 123436110), (10, 98748888), (12, 82290740), (14, 70534920), (15, 65832592), (16, 61718055), (20, 49374444), (21, 47023280), (24, 41145370), (28, 35267460), (30, 32916296), (31, 31854480), (35, 28213968), (40, 24687222), (42, 23511640), (48, 20572685), (56, 17633730), (60, 16458148), (62, 15927240), (67, 14738640), (70, 14106984), (80, 12343611), (84, 11755820), (93, 10618160), (105, 9404656), (112, 8816865), (120, 8229074), (124, 7963620), (134, 7369320), (140, 7053492), (155, 6370896), (168, 5877910), (186, 5309080), (201, 4912880), (210, 4702328), (217, 4550640), (240, 4114537), (248, 3981810), (268, 3684660), (280, 3526746), (283, 3489360), (310, 3185448), (335, 2947728), (336, 2938955), (372, 2654540), (402, 2456440), (420, 2351164), (434, 2275320), (465, 2123632), (469, 2105520), (496, 1990905), (536, 1842330), (560, 1763373), (566, 1744680), (620, 1592724), (651, 1516880), (670, 1473864), (744, 1327270), (804, 1228220), (840, 1175582), (849, 1163120), (868, 1137660), (930, 1061816), (938, 1052760), (1005, 982576), (1072, 921165), (1085, 910128), (1132, 872340), (1240, 796362), (1302, 758440), (1340, 736932), (1407, 701840), (1415, 697872), (1488, 663635), (1608, 614110), (1680, 587791), (1698, 581560), (1736, 568830), (1860, 530908), (1876, 526380), (1981, 498480), (2010, 491288), (2077, 475440), (2170, 455064), (2264, 436170), (2345, 421104), (2480, 398181), (2604, 379220), (2680, 368466), (2814, 350920), (2830, 348936), (3216, 307055), (3255, 303376), (3396, 290780), (3472, 284415), (3720, 265454), (3752, 263190), (3962, 249240), (4020, 245644), (4154, 237720), (4245, 232624), (4340, 227532), (4528, 218085), (4690, 210552), (5208, 189610), (5360, 184233), (5628, 175460), (5660, 174468), (5943, 166160), (6231, 158480), (6510, 151688), (6792, 145390), (7035, 140368), (7440, 132727), (7504, 131595), (7924, 124620), (8040, 122822), (8308, 118860), (8490, 116312), (8680, 113766), (8773, 112560), (9380, 105276), (9905, 99696), (10385, 95088), (10416, 94805), (11256, 87730), (11320, 87234), (11886, 83080), (12462, 79240), (13020, 75844), (13584, 72695), (14070, 70184), (14539, 67920), (15848, 62310), (16080, 61411), (16616, 59430), (16980, 58156), (17360, 56883), (17546, 56280), (18760, 52638), (18961, 52080), (19810, 49848), (20770, 47544), (22512, 43865), (22640, 43617), (23772, 41540), (24924, 39620), (26040, 37922), (26319, 37520), (28140, 35092), (29078, 33960), (29715, 33232), (31155, 31696)]