128228568

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:361

約数の個数: 128

約数和(自身を含む): 368793600

約数和(自身を除く): 240565032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 97, 104, 114, 152, 156, 194, 223, 228, 247, 291, 312, 388, 446, 456, 494, 582, 669, 741, 776, 892, 988, 1164, 1261, 1338, 1482, 1784, 1843, 1976, 2328, 2522, 2676, 2899, 2964, 3686, 3783, 4237, 5044, 5352, 5529, 5798, 5928, 7372, 7566, 8474, 8697, 10088, 11058, 11596, 12711, 14744, 15132, 16948, 17394, 21631, 22116, 23192, 23959, 25422, 30264, 33896, 34788, 43262, 44232, 47918, 50844, 55081, 64893, 69576, 71877, 86524, 95836, 101688, 110162, 129786, 143754, 165243, 173048, 191672, 220324, 259572, 281203, 287508, 330486, 410989, 440648, 519144, 562406, 575016, 660972, 821978, 843609, 1124812, 1232967, 1321944, 1643956, 1687218, 2249624, 2465934, 3287912, 3374436, 4931868, 5342857, 6748872, 9863736, 10685714, 16028571, 21371428, 32057142, 42742856, 64114284, 128228568]

約数ペア:

[(1, 128228568), (2, 64114284), (3, 42742856), (4, 32057142), (6, 21371428), (8, 16028571), (12, 10685714), (13, 9863736), (19, 6748872), (24, 5342857), (26, 4931868), (38, 3374436), (39, 3287912), (52, 2465934), (57, 2249624), (76, 1687218), (78, 1643956), (97, 1321944), (104, 1232967), (114, 1124812), (152, 843609), (156, 821978), (194, 660972), (223, 575016), (228, 562406), (247, 519144), (291, 440648), (312, 410989), (388, 330486), (446, 287508), (456, 281203), (494, 259572), (582, 220324), (669, 191672), (741, 173048), (776, 165243), (892, 143754), (988, 129786), (1164, 110162), (1261, 101688), (1338, 95836), (1482, 86524), (1784, 71877), (1843, 69576), (1976, 64893), (2328, 55081), (2522, 50844), (2676, 47918), (2899, 44232), (2964, 43262), (3686, 34788), (3783, 33896), (4237, 30264), (5044, 25422), (5352, 23959), (5529, 23192), (5798, 22116), (5928, 21631), (7372, 17394), (7566, 16948), (8474, 15132), (8697, 14744), (10088, 12711), (11058, 11596)]