819438080

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1050

約数の個数: 160

約数和(自身を含む): 2192002560

約数和(自身を除く): 1372564480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 256, 272, 304, 320, 323, 340, 380, 512, 544, 608, 640, 646, 680, 760, 991, 1088, 1216, 1280, 1292, 1360, 1520, 1615, 1982, 2176, 2432, 2560, 2584, 2720, 3040, 3230, 3964, 4352, 4864, 4955, 5168, 5440, 6080, 6460, 7928, 8704, 9728, 9910, 10336, 10880, 12160, 12920, 15856, 16847, 18829, 19820, 20672, 21760, 24320, 25840, 31712, 33694, 37658, 39640, 41344, 43520, 48640, 51680, 63424, 67388, 75316, 79280, 82688, 84235, 94145, 103360, 126848, 134776, 150632, 158560, 165376, 168470, 188290, 206720, 253696, 269552, 301264, 317120, 320093, 336940, 376580, 413440, 507392, 539104, 602528, 634240, 640186, 673880, 753160, 826880, 1078208, 1205056, 1268480, 1280372, 1347760, 1506320, 1600465, 2156416, 2410112, 2536960, 2560744, 2695520, 3012640, 3200930, 4312832, 4820224, 5121488, 5391040, 6025280, 6401860, 8625664, 9640448, 10242976, 10782080, 12050560, 12803720, 20485952, 21564160, 24101120, 25607440, 40971904, 43128320, 48202240, 51214880, 81943808, 102429760, 163887616, 204859520, 409719040, 819438080]

約数ペア:

[(1, 819438080), (2, 409719040), (4, 204859520), (5, 163887616), (8, 102429760), (10, 81943808), (16, 51214880), (17, 48202240), (19, 43128320), (20, 40971904), (32, 25607440), (34, 24101120), (38, 21564160), (40, 20485952), (64, 12803720), (68, 12050560), (76, 10782080), (80, 10242976), (85, 9640448), (95, 8625664), (128, 6401860), (136, 6025280), (152, 5391040), (160, 5121488), (170, 4820224), (190, 4312832), (256, 3200930), (272, 3012640), (304, 2695520), (320, 2560744), (323, 2536960), (340, 2410112), (380, 2156416), (512, 1600465), (544, 1506320), (608, 1347760), (640, 1280372), (646, 1268480), (680, 1205056), (760, 1078208), (991, 826880), (1088, 753160), (1216, 673880), (1280, 640186), (1292, 634240), (1360, 602528), (1520, 539104), (1615, 507392), (1982, 413440), (2176, 376580), (2432, 336940), (2560, 320093), (2584, 317120), (2720, 301264), (3040, 269552), (3230, 253696), (3964, 206720), (4352, 188290), (4864, 168470), (4955, 165376), (5168, 158560), (5440, 150632), (6080, 134776), (6460, 126848), (7928, 103360), (8704, 94145), (9728, 84235), (9910, 82688), (10336, 79280), (10880, 75316), (12160, 67388), (12920, 63424), (15856, 51680), (16847, 48640), (18829, 43520), (19820, 41344), (20672, 39640), (21760, 37658), (24320, 33694), (25840, 31712)]