128857416

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 356918400

約数和(自身を除く): 228060984

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 53, 59, 68, 101, 102, 106, 118, 136, 159, 177, 202, 204, 212, 236, 303, 318, 354, 404, 408, 424, 472, 606, 636, 708, 808, 901, 1003, 1212, 1272, 1416, 1717, 1802, 2006, 2424, 2703, 3009, 3127, 3434, 3604, 4012, 5151, 5353, 5406, 5959, 6018, 6254, 6868, 7208, 8024, 9381, 10302, 10706, 10812, 11918, 12036, 12508, 13736, 16059, 17877, 18762, 20604, 21412, 21624, 23836, 24072, 25016, 32118, 35754, 37524, 41208, 42824, 47672, 53159, 64236, 71508, 75048, 91001, 101303, 106318, 128472, 143016, 159477, 182002, 202606, 212636, 273003, 303909, 315827, 318954, 364004, 405212, 425272, 546006, 607818, 631654, 637908, 728008, 810424, 947481, 1092012, 1215636, 1263308, 1275816, 1894962, 2184024, 2431272, 2526616, 3789924, 5369059, 7579848, 10738118, 16107177, 21476236, 32214354, 42952472, 64428708, 128857416]

約数ペア:

[(1, 128857416), (2, 64428708), (3, 42952472), (4, 32214354), (6, 21476236), (8, 16107177), (12, 10738118), (17, 7579848), (24, 5369059), (34, 3789924), (51, 2526616), (53, 2431272), (59, 2184024), (68, 1894962), (101, 1275816), (102, 1263308), (106, 1215636), (118, 1092012), (136, 947481), (159, 810424), (177, 728008), (202, 637908), (204, 631654), (212, 607818), (236, 546006), (303, 425272), (318, 405212), (354, 364004), (404, 318954), (408, 315827), (424, 303909), (472, 273003), (606, 212636), (636, 202606), (708, 182002), (808, 159477), (901, 143016), (1003, 128472), (1212, 106318), (1272, 101303), (1416, 91001), (1717, 75048), (1802, 71508), (2006, 64236), (2424, 53159), (2703, 47672), (3009, 42824), (3127, 41208), (3434, 37524), (3604, 35754), (4012, 32118), (5151, 25016), (5353, 24072), (5406, 23836), (5959, 21624), (6018, 21412), (6254, 20604), (6868, 18762), (7208, 17877), (8024, 16059), (9381, 13736), (10302, 12508), (10706, 12036), (10812, 11918)]