56456820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 216

約数和(自身を含む): 205778664

約数和(自身を除く): 149321844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 49, 60, 63, 70, 74, 84, 90, 98, 105, 111, 126, 140, 147, 148, 173, 180, 185, 196, 210, 222, 245, 252, 259, 294, 315, 333, 346, 370, 420, 441, 444, 490, 518, 519, 555, 588, 630, 666, 692, 735, 740, 777, 865, 882, 980, 1036, 1038, 1110, 1211, 1260, 1295, 1332, 1470, 1554, 1557, 1665, 1730, 1764, 1813, 2076, 2205, 2220, 2331, 2422, 2590, 2595, 2940, 3108, 3114, 3330, 3460, 3626, 3633, 3885, 4410, 4662, 4844, 5180, 5190, 5439, 6055, 6228, 6401, 6660, 7252, 7266, 7770, 7785, 8477, 8820, 9065, 9324, 10380, 10878, 10899, 11655, 12110, 12802, 14532, 15540, 15570, 16317, 16954, 18130, 18165, 19203, 21756, 21798, 23310, 24220, 25431, 25604, 27195, 31140, 32005, 32634, 33908, 36260, 36330, 38406, 42385, 43596, 44807, 46620, 50862, 54390, 54495, 57609, 64010, 65268, 72660, 76293, 76812, 81585, 84770, 89614, 96015, 101724, 108780, 108990, 115218, 127155, 128020, 134421, 152586, 163170, 169540, 179228, 192030, 217980, 224035, 230436, 254310, 268842, 288045, 305172, 313649, 326340, 381465, 384060, 403263, 448070, 508620, 537684, 576090, 627298, 672105, 762930, 806526, 896140, 940947, 1152180, 1254596, 1344210, 1525860, 1568245, 1613052, 1881894, 2016315, 2688420, 2822841, 3136490, 3763788, 4032630, 4704735, 5645682, 6272980, 8065260, 9409470, 11291364, 14114205, 18818940, 28228410, 56456820]

約数ペア:

[(1, 56456820), (2, 28228410), (3, 18818940), (4, 14114205), (5, 11291364), (6, 9409470), (7, 8065260), (9, 6272980), (10, 5645682), (12, 4704735), (14, 4032630), (15, 3763788), (18, 3136490), (20, 2822841), (21, 2688420), (28, 2016315), (30, 1881894), (35, 1613052), (36, 1568245), (37, 1525860), (42, 1344210), (45, 1254596), (49, 1152180), (60, 940947), (63, 896140), (70, 806526), (74, 762930), (84, 672105), (90, 627298), (98, 576090), (105, 537684), (111, 508620), (126, 448070), (140, 403263), (147, 384060), (148, 381465), (173, 326340), (180, 313649), (185, 305172), (196, 288045), (210, 268842), (222, 254310), (245, 230436), (252, 224035), (259, 217980), (294, 192030), (315, 179228), (333, 169540), (346, 163170), (370, 152586), (420, 134421), (441, 128020), (444, 127155), (490, 115218), (518, 108990), (519, 108780), (555, 101724), (588, 96015), (630, 89614), (666, 84770), (692, 81585), (735, 76812), (740, 76293), (777, 72660), (865, 65268), (882, 64010), (980, 57609), (1036, 54495), (1038, 54390), (1110, 50862), (1211, 46620), (1260, 44807), (1295, 43596), (1332, 42385), (1470, 38406), (1554, 36330), (1557, 36260), (1665, 33908), (1730, 32634), (1764, 32005), (1813, 31140), (2076, 27195), (2205, 25604), (2220, 25431), (2331, 24220), (2422, 23310), (2590, 21798), (2595, 21756), (2940, 19203), (3108, 18165), (3114, 18130), (3330, 16954), (3460, 16317), (3626, 15570), (3633, 15540), (3885, 14532), (4410, 12802), (4662, 12110), (4844, 11655), (5180, 10899), (5190, 10878), (5439, 10380), (6055, 9324), (6228, 9065), (6401, 8820), (6660, 8477), (7252, 7785), (7266, 7770)]