138830720

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:285

約数の個数: 192

約数和(自身を含む): 408142800

約数和(自身を除く): 269312080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 128, 133, 140, 152, 160, 190, 196, 224, 233, 245, 266, 280, 304, 320, 380, 392, 448, 466, 490, 532, 560, 608, 640, 665, 760, 784, 896, 931, 932, 980, 1064, 1120, 1165, 1216, 1330, 1520, 1568, 1631, 1862, 1864, 1960, 2128, 2240, 2330, 2432, 2660, 3040, 3136, 3262, 3724, 3728, 3920, 4256, 4427, 4480, 4655, 4660, 5320, 6080, 6272, 6524, 7448, 7456, 7840, 8155, 8512, 8854, 9310, 9320, 10640, 11417, 12160, 13048, 14896, 14912, 15680, 16310, 17024, 17708, 18620, 18640, 21280, 22135, 22834, 26096, 29792, 29824, 30989, 31360, 32620, 35416, 37240, 37280, 42560, 44270, 45668, 52192, 57085, 59584, 61978, 65240, 70832, 74480, 74560, 85120, 88540, 91336, 104384, 114170, 119168, 123956, 130480, 141664, 148960, 149120, 154945, 177080, 182672, 208768, 216923, 228340, 247912, 260960, 283328, 297920, 309890, 354160, 365344, 433846, 456680, 495824, 521920, 566656, 595840, 619780, 708320, 730688, 867692, 913360, 991648, 1043840, 1084615, 1239560, 1416640, 1461376, 1735384, 1826720, 1983296, 2169230, 2479120, 2833280, 3470768, 3653440, 3966592, 4338460, 4958240, 6941536, 7306880, 8676920, 9916480, 13883072, 17353840, 19832960, 27766144, 34707680, 69415360, 138830720]

約数ペア:

[(1, 138830720), (2, 69415360), (4, 34707680), (5, 27766144), (7, 19832960), (8, 17353840), (10, 13883072), (14, 9916480), (16, 8676920), (19, 7306880), (20, 6941536), (28, 4958240), (32, 4338460), (35, 3966592), (38, 3653440), (40, 3470768), (49, 2833280), (56, 2479120), (64, 2169230), (70, 1983296), (76, 1826720), (80, 1735384), (95, 1461376), (98, 1416640), (112, 1239560), (128, 1084615), (133, 1043840), (140, 991648), (152, 913360), (160, 867692), (190, 730688), (196, 708320), (224, 619780), (233, 595840), (245, 566656), (266, 521920), (280, 495824), (304, 456680), (320, 433846), (380, 365344), (392, 354160), (448, 309890), (466, 297920), (490, 283328), (532, 260960), (560, 247912), (608, 228340), (640, 216923), (665, 208768), (760, 182672), (784, 177080), (896, 154945), (931, 149120), (932, 148960), (980, 141664), (1064, 130480), (1120, 123956), (1165, 119168), (1216, 114170), (1330, 104384), (1520, 91336), (1568, 88540), (1631, 85120), (1862, 74560), (1864, 74480), (1960, 70832), (2128, 65240), (2240, 61978), (2330, 59584), (2432, 57085), (2660, 52192), (3040, 45668), (3136, 44270), (3262, 42560), (3724, 37280), (3728, 37240), (3920, 35416), (4256, 32620), (4427, 31360), (4480, 30989), (4655, 29824), (4660, 29792), (5320, 26096), (6080, 22834), (6272, 22135), (6524, 21280), (7448, 18640), (7456, 18620), (7840, 17708), (8155, 17024), (8512, 16310), (8854, 15680), (9310, 14912), (9320, 14896), (10640, 13048), (11417, 12160)]