129878528

素因数分解:

$2^9\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 120

約数和(自身を含む): 299534400

約数和(自身を除く): 169655872

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 79, 104, 128, 152, 158, 169, 208, 247, 256, 304, 316, 338, 416, 494, 512, 608, 632, 676, 832, 988, 1027, 1216, 1264, 1352, 1501, 1664, 1976, 2054, 2432, 2528, 2704, 3002, 3211, 3328, 3952, 4108, 4864, 5056, 5408, 6004, 6422, 6656, 7904, 8216, 9728, 10112, 10816, 12008, 12844, 13351, 15808, 16432, 19513, 20224, 21632, 24016, 25688, 26702, 31616, 32864, 39026, 40448, 43264, 48032, 51376, 53404, 63232, 65728, 78052, 86528, 96064, 102752, 106808, 126464, 131456, 156104, 192128, 205504, 213616, 253669, 262912, 312208, 384256, 411008, 427232, 507338, 525824, 624416, 768512, 822016, 854464, 1014676, 1248832, 1644032, 1708928, 2029352, 2497664, 3417856, 4058704, 4995328, 6835712, 8117408, 9990656, 16234816, 32469632, 64939264, 129878528]

約数ペア:

[(1, 129878528), (2, 64939264), (4, 32469632), (8, 16234816), (13, 9990656), (16, 8117408), (19, 6835712), (26, 4995328), (32, 4058704), (38, 3417856), (52, 2497664), (64, 2029352), (76, 1708928), (79, 1644032), (104, 1248832), (128, 1014676), (152, 854464), (158, 822016), (169, 768512), (208, 624416), (247, 525824), (256, 507338), (304, 427232), (316, 411008), (338, 384256), (416, 312208), (494, 262912), (512, 253669), (608, 213616), (632, 205504), (676, 192128), (832, 156104), (988, 131456), (1027, 126464), (1216, 106808), (1264, 102752), (1352, 96064), (1501, 86528), (1664, 78052), (1976, 65728), (2054, 63232), (2432, 53404), (2528, 51376), (2704, 48032), (3002, 43264), (3211, 40448), (3328, 39026), (3952, 32864), (4108, 31616), (4864, 26702), (5056, 25688), (5408, 24016), (6004, 21632), (6422, 20224), (6656, 19513), (7904, 16432), (8216, 15808), (9728, 13351), (10112, 12844), (10816, 12008)]