18544680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1$

素因数の和:261

約数の個数: 256

約数和(自身を含む): 77414400

約数和(自身を除く): 58869720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 223, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 446, 462, 495, 504, 540, 594, 616, 630, 660, 669, 693, 756, 770, 792, 840, 892, 924, 945, 990, 1080, 1115, 1155, 1188, 1260, 1320, 1338, 1386, 1485, 1512, 1540, 1561, 1784, 1848, 1890, 1980, 2007, 2079, 2230, 2310, 2376, 2453, 2520, 2676, 2772, 2970, 3080, 3122, 3345, 3465, 3780, 3960, 4014, 4158, 4460, 4620, 4683, 4906, 5352, 5544, 5940, 6021, 6244, 6690, 6930, 7359, 7560, 7805, 8028, 8316, 8920, 9240, 9366, 9812, 10035, 10395, 11880, 12042, 12265, 12488, 13380, 13860, 14049, 14718, 15610, 16056, 16632, 17171, 18732, 19624, 20070, 20790, 22077, 23415, 24084, 24530, 26760, 27720, 28098, 29436, 30105, 31220, 34342, 36795, 37464, 40140, 41580, 42147, 44154, 46830, 48168, 49060, 51513, 56196, 58872, 60210, 62440, 66231, 68684, 70245, 73590, 80280, 83160, 84294, 85855, 88308, 93660, 98120, 103026, 110385, 112392, 120420, 132462, 137368, 140490, 147180, 154539, 168588, 171710, 176616, 187320, 206052, 210735, 220770, 240840, 257565, 264924, 280980, 294360, 309078, 331155, 337176, 343420, 412104, 421470, 441540, 463617, 515130, 529848, 561960, 618156, 662310, 686840, 772695, 842940, 883080, 927234, 1030260, 1236312, 1324620, 1545390, 1685880, 1854468, 2060520, 2318085, 2649240, 3090780, 3708936, 4636170, 6181560, 9272340, 18544680]

約数ペア:

[(1, 18544680), (2, 9272340), (3, 6181560), (4, 4636170), (5, 3708936), (6, 3090780), (7, 2649240), (8, 2318085), (9, 2060520), (10, 1854468), (11, 1685880), (12, 1545390), (14, 1324620), (15, 1236312), (18, 1030260), (20, 927234), (21, 883080), (22, 842940), (24, 772695), (27, 686840), (28, 662310), (30, 618156), (33, 561960), (35, 529848), (36, 515130), (40, 463617), (42, 441540), (44, 421470), (45, 412104), (54, 343420), (55, 337176), (56, 331155), (60, 309078), (63, 294360), (66, 280980), (70, 264924), (72, 257565), (77, 240840), (84, 220770), (88, 210735), (90, 206052), (99, 187320), (105, 176616), (108, 171710), (110, 168588), (120, 154539), (126, 147180), (132, 140490), (135, 137368), (140, 132462), (154, 120420), (165, 112392), (168, 110385), (180, 103026), (189, 98120), (198, 93660), (210, 88308), (216, 85855), (220, 84294), (223, 83160), (231, 80280), (252, 73590), (264, 70245), (270, 68684), (280, 66231), (297, 62440), (308, 60210), (315, 58872), (330, 56196), (360, 51513), (378, 49060), (385, 48168), (396, 46830), (420, 44154), (440, 42147), (446, 41580), (462, 40140), (495, 37464), (504, 36795), (540, 34342), (594, 31220), (616, 30105), (630, 29436), (660, 28098), (669, 27720), (693, 26760), (756, 24530), (770, 24084), (792, 23415), (840, 22077), (892, 20790), (924, 20070), (945, 19624), (990, 18732), (1080, 17171), (1115, 16632), (1155, 16056), (1188, 15610), (1260, 14718), (1320, 14049), (1338, 13860), (1386, 13380), (1485, 12488), (1512, 12265), (1540, 12042), (1561, 11880), (1784, 10395), (1848, 10035), (1890, 9812), (1980, 9366), (2007, 9240), (2079, 8920), (2230, 8316), (2310, 8028), (2376, 7805), (2453, 7560), (2520, 7359), (2676, 6930), (2772, 6690), (2970, 6244), (3080, 6021), (3122, 5940), (3345, 5544), (3465, 5352), (3780, 4906), (3960, 4683), (4014, 4620), (4158, 4460)]