128007408

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1447}}^1$

素因数の和:1574

約数の個数: 80

約数和(自身を含む): 351921920

約数和(自身を除く): 223914512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 97, 114, 152, 194, 228, 291, 304, 388, 456, 582, 776, 912, 1164, 1447, 1552, 1843, 2328, 2894, 3686, 4341, 4656, 5529, 5788, 7372, 8682, 11058, 11576, 14744, 17364, 22116, 23152, 27493, 29488, 34728, 44232, 54986, 69456, 82479, 88464, 109972, 140359, 164958, 219944, 280718, 329916, 421077, 439888, 561436, 659832, 842154, 1122872, 1319664, 1684308, 2245744, 2666821, 3368616, 5333642, 6737232, 8000463, 10667284, 16000926, 21334568, 32001852, 42669136, 64003704, 128007408]

約数ペア:

[(1, 128007408), (2, 64003704), (3, 42669136), (4, 32001852), (6, 21334568), (8, 16000926), (12, 10667284), (16, 8000463), (19, 6737232), (24, 5333642), (38, 3368616), (48, 2666821), (57, 2245744), (76, 1684308), (97, 1319664), (114, 1122872), (152, 842154), (194, 659832), (228, 561436), (291, 439888), (304, 421077), (388, 329916), (456, 280718), (582, 219944), (776, 164958), (912, 140359), (1164, 109972), (1447, 88464), (1552, 82479), (1843, 69456), (2328, 54986), (2894, 44232), (3686, 34728), (4341, 29488), (4656, 27493), (5529, 23152), (5788, 22116), (7372, 17364), (8682, 14744), (11058, 11576)]