31404240

素因数分解:

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

素因数の和:127

約数の個数: 320

約数和(自身を含む): 129515520

約数和(自身を除く): 98111280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 67, 70, 72, 80, 84, 90, 93, 105, 108, 112, 120, 124, 126, 134, 135, 140, 144, 155, 168, 180, 186, 189, 201, 210, 216, 217, 240, 248, 252, 268, 270, 279, 280, 310, 315, 335, 336, 360, 372, 378, 402, 420, 432, 434, 465, 469, 496, 504, 536, 540, 558, 560, 603, 620, 630, 651, 670, 720, 744, 756, 804, 837, 840, 868, 930, 938, 945, 1005, 1008, 1072, 1080, 1085, 1116, 1206, 1240, 1260, 1302, 1340, 1395, 1407, 1488, 1512, 1608, 1674, 1680, 1736, 1809, 1860, 1876, 1890, 1953, 2010, 2077, 2160, 2170, 2232, 2345, 2412, 2480, 2520, 2604, 2680, 2790, 2814, 3015, 3024, 3216, 3255, 3348, 3472, 3618, 3720, 3752, 3780, 3906, 4020, 4154, 4185, 4221, 4340, 4464, 4690, 4824, 5040, 5208, 5360, 5580, 5628, 5859, 6030, 6231, 6510, 6696, 7035, 7236, 7440, 7504, 7560, 7812, 8040, 8308, 8370, 8442, 8680, 9045, 9380, 9648, 9765, 10385, 10416, 11160, 11256, 11718, 12060, 12462, 12663, 13020, 13392, 14070, 14472, 14539, 15120, 15624, 16080, 16616, 16740, 16884, 17360, 18090, 18693, 18760, 19530, 20770, 21105, 22320, 22512, 23436, 24120, 24924, 25326, 26040, 28140, 28944, 29078, 29295, 31155, 31248, 33232, 33480, 33768, 36180, 37386, 37520, 39060, 41540, 42210, 43617, 46872, 48240, 49848, 50652, 52080, 56079, 56280, 58156, 58590, 62310, 63315, 66960, 67536, 72360, 72695, 74772, 78120, 83080, 84420, 87234, 93465, 93744, 99696, 101304, 112158, 112560, 116312, 117180, 124620, 126630, 130851, 144720, 145390, 149544, 156240, 166160, 168840, 174468, 186930, 202608, 218085, 224316, 232624, 234360, 249240, 253260, 261702, 280395, 290780, 299088, 337680, 348936, 373860, 392553, 436170, 448632, 468720, 498480, 506520, 523404, 560790, 581560, 654255, 697872, 747720, 785106, 872340, 897264, 1013040, 1046808, 1121580, 1163120, 1308510, 1495440, 1570212, 1744680, 1962765, 2093616, 2243160, 2617020, 3140424, 3489360, 3925530, 4486320, 5234040, 6280848, 7851060, 10468080, 15702120, 31404240]

約数ペア:

[(1, 31404240), (2, 15702120), (3, 10468080), (4, 7851060), (5, 6280848), (6, 5234040), (7, 4486320), (8, 3925530), (9, 3489360), (10, 3140424), (12, 2617020), (14, 2243160), (15, 2093616), (16, 1962765), (18, 1744680), (20, 1570212), (21, 1495440), (24, 1308510), (27, 1163120), (28, 1121580), (30, 1046808), (31, 1013040), (35, 897264), (36, 872340), (40, 785106), (42, 747720), (45, 697872), (48, 654255), (54, 581560), (56, 560790), (60, 523404), (62, 506520), (63, 498480), (67, 468720), (70, 448632), (72, 436170), (80, 392553), (84, 373860), (90, 348936), (93, 337680), (105, 299088), (108, 290780), (112, 280395), (120, 261702), (124, 253260), (126, 249240), (134, 234360), (135, 232624), (140, 224316), (144, 218085), (155, 202608), (168, 186930), (180, 174468), (186, 168840), (189, 166160), (201, 156240), (210, 149544), (216, 145390), (217, 144720), (240, 130851), (248, 126630), (252, 124620), (268, 117180), (270, 116312), (279, 112560), (280, 112158), (310, 101304), (315, 99696), (335, 93744), (336, 93465), (360, 87234), (372, 84420), (378, 83080), (402, 78120), (420, 74772), (432, 72695), (434, 72360), (465, 67536), (469, 66960), (496, 63315), (504, 62310), (536, 58590), (540, 58156), (558, 56280), (560, 56079), (603, 52080), (620, 50652), (630, 49848), (651, 48240), (670, 46872), (720, 43617), (744, 42210), (756, 41540), (804, 39060), (837, 37520), (840, 37386), (868, 36180), (930, 33768), (938, 33480), (945, 33232), (1005, 31248), (1008, 31155), (1072, 29295), (1080, 29078), (1085, 28944), (1116, 28140), (1206, 26040), (1240, 25326), (1260, 24924), (1302, 24120), (1340, 23436), (1395, 22512), (1407, 22320), (1488, 21105), (1512, 20770), (1608, 19530), (1674, 18760), (1680, 18693), (1736, 18090), (1809, 17360), (1860, 16884), (1876, 16740), (1890, 16616), (1953, 16080), (2010, 15624), (2077, 15120), (2160, 14539), (2170, 14472), (2232, 14070), (2345, 13392), (2412, 13020), (2480, 12663), (2520, 12462), (2604, 12060), (2680, 11718), (2790, 11256), (2814, 11160), (3015, 10416), (3024, 10385), (3216, 9765), (3255, 9648), (3348, 9380), (3472, 9045), (3618, 8680), (3720, 8442), (3752, 8370), (3780, 8308), (3906, 8040), (4020, 7812), (4154, 7560), (4185, 7504), (4221, 7440), (4340, 7236), (4464, 7035), (4690, 6696), (4824, 6510), (5040, 6231), (5208, 6030), (5360, 5859), (5580, 5628)]