19916142720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{2887}}^1\times {\mathrm{3593}}^1$

素因数の和:6502

約数の個数: 128

約数和(自身を含む): 63522368640

約数和(自身を除く): 43606225920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 2887, 3593, 5774, 7186, 8661, 10779, 11548, 14372, 14435, 17322, 17965, 21558, 23096, 28744, 28870, 34644, 35930, 43116, 43305, 46192, 53895, 57488, 57740, 69288, 71860, 86232, 86610, 92384, 107790, 114976, 115480, 138576, 143720, 172464, 173220, 184768, 215580, 229952, 230960, 277152, 287440, 344928, 346440, 369536, 431160, 459904, 461920, 554304, 574880, 689856, 692880, 862320, 923840, 1108608, 1149760, 1379712, 1385760, 1724640, 1847680, 2299520, 2771520, 3449280, 5543040, 6898560, 10372991, 20745982, 31118973, 41491964, 51864955, 62237946, 82983928, 103729910, 124475892, 155594865, 165967856, 207459820, 248951784, 311189730, 331935712, 414919640, 497903568, 622379460, 663871424, 829839280, 995807136, 1244758920, 1327742848, 1659678560, 1991614272, 2489517840, 3319357120, 3983228544, 4979035680, 6638714240, 9958071360, 19916142720]

約数ペア:

[(1, 19916142720), (2, 9958071360), (3, 6638714240), (4, 4979035680), (5, 3983228544), (6, 3319357120), (8, 2489517840), (10, 1991614272), (12, 1659678560), (15, 1327742848), (16, 1244758920), (20, 995807136), (24, 829839280), (30, 663871424), (32, 622379460), (40, 497903568), (48, 414919640), (60, 331935712), (64, 311189730), (80, 248951784), (96, 207459820), (120, 165967856), (128, 155594865), (160, 124475892), (192, 103729910), (240, 82983928), (320, 62237946), (384, 51864955), (480, 41491964), (640, 31118973), (960, 20745982), (1920, 10372991), (2887, 6898560), (3593, 5543040), (5774, 3449280), (7186, 2771520), (8661, 2299520), (10779, 1847680), (11548, 1724640), (14372, 1385760), (14435, 1379712), (17322, 1149760), (17965, 1108608), (21558, 923840), (23096, 862320), (28744, 692880), (28870, 689856), (34644, 574880), (35930, 554304), (43116, 461920), (43305, 459904), (46192, 431160), (53895, 369536), (57488, 346440), (57740, 344928), (69288, 287440), (71860, 277152), (86232, 230960), (86610, 229952), (92384, 215580), (107790, 184768), (114976, 173220), (115480, 172464), (138576, 143720)]