1691285640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{8161}}^1$

素因数の和:8343

約数の個数: 128

約数和(自身を含む): 5571054720

約数和(自身を除く): 3879769080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 157, 165, 220, 264, 314, 330, 440, 471, 628, 660, 785, 942, 1256, 1320, 1570, 1727, 1884, 2355, 3140, 3454, 3768, 4710, 5181, 6280, 6908, 8161, 8635, 9420, 10362, 13816, 16322, 17270, 18840, 20724, 24483, 25905, 32644, 34540, 40805, 41448, 48966, 51810, 65288, 69080, 81610, 89771, 97932, 103620, 122415, 163220, 179542, 195864, 207240, 244830, 269313, 326440, 359084, 448855, 489660, 538626, 718168, 897710, 979320, 1077252, 1281277, 1346565, 1795420, 2154504, 2562554, 2693130, 3590840, 3843831, 5125108, 5386260, 6406385, 7687662, 10250216, 10772520, 12812770, 14094047, 15375324, 19219155, 25625540, 28188094, 30750648, 38438310, 42282141, 51251080, 56376188, 70470235, 76876620, 84564282, 112752376, 140940470, 153753240, 169128564, 211410705, 281880940, 338257128, 422821410, 563761880, 845642820, 1691285640]

約数ペア:

[(1, 1691285640), (2, 845642820), (3, 563761880), (4, 422821410), (5, 338257128), (6, 281880940), (8, 211410705), (10, 169128564), (11, 153753240), (12, 140940470), (15, 112752376), (20, 84564282), (22, 76876620), (24, 70470235), (30, 56376188), (33, 51251080), (40, 42282141), (44, 38438310), (55, 30750648), (60, 28188094), (66, 25625540), (88, 19219155), (110, 15375324), (120, 14094047), (132, 12812770), (157, 10772520), (165, 10250216), (220, 7687662), (264, 6406385), (314, 5386260), (330, 5125108), (440, 3843831), (471, 3590840), (628, 2693130), (660, 2562554), (785, 2154504), (942, 1795420), (1256, 1346565), (1320, 1281277), (1570, 1077252), (1727, 979320), (1884, 897710), (2355, 718168), (3140, 538626), (3454, 489660), (3768, 448855), (4710, 359084), (5181, 326440), (6280, 269313), (6908, 244830), (8161, 207240), (8635, 195864), (9420, 179542), (10362, 163220), (13816, 122415), (16322, 103620), (17270, 97932), (18840, 89771), (20724, 81610), (24483, 69080), (25905, 65288), (32644, 51810), (34540, 48966), (40805, 41448)]