18310320

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{173}}^1$

素因数の和:209

約数の個数: 240

約数和(自身を含む): 73789920

約数和(自身を除く): 55479600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 173, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 346, 360, 378, 392, 420, 432, 441, 490, 504, 519, 540, 560, 588, 630, 692, 720, 735, 756, 784, 840, 865, 882, 945, 980, 1008, 1038, 1080, 1176, 1211, 1260, 1323, 1384, 1470, 1512, 1557, 1680, 1730, 1764, 1890, 1960, 2076, 2160, 2205, 2352, 2422, 2520, 2595, 2646, 2768, 2940, 3024, 3114, 3460, 3528, 3633, 3780, 3920, 4152, 4410, 4671, 4844, 5040, 5190, 5292, 5880, 6055, 6228, 6615, 6920, 7056, 7266, 7560, 7785, 8304, 8477, 8820, 9342, 9688, 10380, 10584, 10899, 11760, 12110, 12456, 13230, 13840, 14532, 15120, 15570, 16954, 17640, 18165, 18684, 19376, 20760, 21168, 21798, 23355, 24220, 24912, 25431, 26460, 29064, 31140, 32697, 33908, 35280, 36330, 37368, 41520, 42385, 43596, 46710, 48440, 50862, 52920, 54495, 58128, 62280, 65394, 67816, 72660, 74736, 76293, 84770, 87192, 93420, 96880, 101724, 105840, 108990, 124560, 127155, 130788, 135632, 145320, 152586, 163485, 169540, 174384, 186840, 203448, 217980, 228879, 254310, 261576, 290640, 305172, 326970, 339080, 373680, 381465, 406896, 435960, 457758, 508620, 523152, 610344, 653940, 678160, 762930, 871920, 915516, 1017240, 1144395, 1220688, 1307880, 1525860, 1831032, 2034480, 2288790, 2615760, 3051720, 3662064, 4577580, 6103440, 9155160, 18310320]

約数ペア:

[(1, 18310320), (2, 9155160), (3, 6103440), (4, 4577580), (5, 3662064), (6, 3051720), (7, 2615760), (8, 2288790), (9, 2034480), (10, 1831032), (12, 1525860), (14, 1307880), (15, 1220688), (16, 1144395), (18, 1017240), (20, 915516), (21, 871920), (24, 762930), (27, 678160), (28, 653940), (30, 610344), (35, 523152), (36, 508620), (40, 457758), (42, 435960), (45, 406896), (48, 381465), (49, 373680), (54, 339080), (56, 326970), (60, 305172), (63, 290640), (70, 261576), (72, 254310), (80, 228879), (84, 217980), (90, 203448), (98, 186840), (105, 174384), (108, 169540), (112, 163485), (120, 152586), (126, 145320), (135, 135632), (140, 130788), (144, 127155), (147, 124560), (168, 108990), (173, 105840), (180, 101724), (189, 96880), (196, 93420), (210, 87192), (216, 84770), (240, 76293), (245, 74736), (252, 72660), (270, 67816), (280, 65394), (294, 62280), (315, 58128), (336, 54495), (346, 52920), (360, 50862), (378, 48440), (392, 46710), (420, 43596), (432, 42385), (441, 41520), (490, 37368), (504, 36330), (519, 35280), (540, 33908), (560, 32697), (588, 31140), (630, 29064), (692, 26460), (720, 25431), (735, 24912), (756, 24220), (784, 23355), (840, 21798), (865, 21168), (882, 20760), (945, 19376), (980, 18684), (1008, 18165), (1038, 17640), (1080, 16954), (1176, 15570), (1211, 15120), (1260, 14532), (1323, 13840), (1384, 13230), (1470, 12456), (1512, 12110), (1557, 11760), (1680, 10899), (1730, 10584), (1764, 10380), (1890, 9688), (1960, 9342), (2076, 8820), (2160, 8477), (2205, 8304), (2352, 7785), (2422, 7560), (2520, 7266), (2595, 7056), (2646, 6920), (2768, 6615), (2940, 6228), (3024, 6055), (3114, 5880), (3460, 5292), (3528, 5190), (3633, 5040), (3780, 4844), (3920, 4671), (4152, 4410)]