128278728

素因数分解:

$2^3\times 3^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:214

約数の個数: 192

約数和(自身を含む): 398361600

約数和(自身を除く): 270082872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 23, 24, 27, 36, 38, 46, 54, 57, 69, 72, 76, 81, 92, 108, 114, 138, 151, 152, 162, 171, 184, 207, 216, 228, 243, 276, 302, 324, 342, 414, 437, 453, 456, 486, 513, 552, 604, 621, 648, 684, 828, 874, 906, 972, 1026, 1208, 1242, 1311, 1359, 1368, 1539, 1656, 1748, 1812, 1863, 1944, 2052, 2484, 2622, 2718, 2869, 3078, 3473, 3496, 3624, 3726, 3933, 4077, 4104, 4617, 4968, 5244, 5436, 5589, 5738, 6156, 6946, 7452, 7866, 8154, 8607, 9234, 10419, 10488, 10872, 11178, 11476, 11799, 12231, 12312, 13892, 14904, 15732, 16308, 17214, 18468, 20838, 22356, 22952, 23598, 24462, 25821, 27784, 31257, 31464, 32616, 34428, 35397, 36693, 36936, 41676, 44712, 47196, 48924, 51642, 62514, 65987, 68856, 70794, 73386, 77463, 83352, 93771, 94392, 97848, 103284, 106191, 125028, 131974, 141588, 146772, 154926, 187542, 197961, 206568, 212382, 232389, 250056, 263948, 281313, 283176, 293544, 309852, 375084, 395922, 424764, 464778, 527896, 562626, 593883, 619704, 697167, 750168, 791844, 843939, 849528, 929556, 1125252, 1187766, 1394334, 1583688, 1687878, 1781649, 1859112, 2250504, 2375532, 2788668, 3375756, 3563298, 4751064, 5344947, 5577336, 6751512, 7126596, 10689894, 14253192, 16034841, 21379788, 32069682, 42759576, 64139364, 128278728]

約数ペア:

[(1, 128278728), (2, 64139364), (3, 42759576), (4, 32069682), (6, 21379788), (8, 16034841), (9, 14253192), (12, 10689894), (18, 7126596), (19, 6751512), (23, 5577336), (24, 5344947), (27, 4751064), (36, 3563298), (38, 3375756), (46, 2788668), (54, 2375532), (57, 2250504), (69, 1859112), (72, 1781649), (76, 1687878), (81, 1583688), (92, 1394334), (108, 1187766), (114, 1125252), (138, 929556), (151, 849528), (152, 843939), (162, 791844), (171, 750168), (184, 697167), (207, 619704), (216, 593883), (228, 562626), (243, 527896), (276, 464778), (302, 424764), (324, 395922), (342, 375084), (414, 309852), (437, 293544), (453, 283176), (456, 281313), (486, 263948), (513, 250056), (552, 232389), (604, 212382), (621, 206568), (648, 197961), (684, 187542), (828, 154926), (874, 146772), (906, 141588), (972, 131974), (1026, 125028), (1208, 106191), (1242, 103284), (1311, 97848), (1359, 94392), (1368, 93771), (1539, 83352), (1656, 77463), (1748, 73386), (1812, 70794), (1863, 68856), (1944, 65987), (2052, 62514), (2484, 51642), (2622, 48924), (2718, 47196), (2869, 44712), (3078, 41676), (3473, 36936), (3496, 36693), (3624, 35397), (3726, 34428), (3933, 32616), (4077, 31464), (4104, 31257), (4617, 27784), (4968, 25821), (5244, 24462), (5436, 23598), (5589, 22952), (5738, 22356), (6156, 20838), (6946, 18468), (7452, 17214), (7866, 16308), (8154, 15732), (8607, 14904), (9234, 13892), (10419, 12312), (10488, 12231), (10872, 11799), (11178, 11476)]